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Wednesday, August 12, 2020

Social research

From Wikipedia, the free encyclopedia

Social research is a research conducted by social scientists following a systematic plan. Social research methodologies can be classified as quantitative and qualitative.
  • Quantitative designs approach social phenomena through quantifiable evidence, and often rely on statistical analysis of many cases (or across intentionally designed treatments in an experiment) to create valid and reliable general claims. Related to quantity.
  • Qualitative designs emphasize understanding of social phenomena through direct observation, communication with participants, or analysis of texts, and may stress contextual subjective accuracy over generality. Related to quality.
While methods may be classified as quantitative or qualitative, most methods contain elements of both. For example, qualitative data analysis often involves a fairly structured approach to coding the raw data into systematic information, and quantifying intercoder reliability. Thus, there is often a more complex relationship between "qualitative" and "quantitative" approaches than would be suggested by drawing a simple distinction between them.

Social scientists employ a range of methods in order to analyse a vast breadth of social phenomena: from census survey data derived from millions of individuals, to the in-depth analysis of a single agent's social experiences; from monitoring what is happening on contemporary streets, to the investigation of ancient historical documents. Methods rooted in classical sociology and statistics have formed the basis for research in other disciplines, such as political science, media studies, program evaluation and market research.

Method

Social scientists are divided into camps of support for particular research techniques. These disputes relate to the historical core of social theory (positivism and antipositivism; structure and agency). While very different in many aspects, both qualitative and quantitative approaches involve a systematic interaction between theory and data. The choice of method often depends largely on what the researcher intends to investigate. For example, a researcher concerned with drawing a statistical generalization across an entire population may administer a survey questionnaire to a representative sample population. By contrast, a researcher who seeks full contextual understanding of an individuals' social actions may choose ethnographic participant observation or open-ended interviews. Studies will commonly combine, or triangulate, quantitative and qualitative methods as part of a multi-strategy design.

Sampling

Typically a population is very large, making a census or a complete enumeration of all the values in that population infeasible. A sample thus forms a manageable subset of a population. In positivist research, statistics derived from a sample are analysed in order to draw inferences regarding the population as a whole. The process of collecting information from a sample is referred to as sampling. Sampling methods may be either random (random sampling, systematic sampling, stratified sampling, cluster sampling) or non-random/nonprobability (convenience sampling, purposive sampling, snowball sampling). The most common reason for sampling is to obtain information about a population. Sampling is quicker and cheaper than a complete census of a population.

Methodological assumptions

Social research is based on logic and empirical observations. Charles C. Ragin writes in his Constructing Social Research book that "Social research involved the interaction between ideas and evidence. Ideas help social researchers make sense of evidence, and researchers use evidence to extend, revise and test ideas." Social research thus attempts to create or validate theories through data collection and data analysis, and its goal is exploration, description, explanation, and prediction. It should never lead or be mistaken with philosophy or belief. Social research aims to find social patterns of regularity in social life and usually deals with social groups (aggregates of individuals), not individuals themselves (although science of psychology is an exception here). Research can also be divided into pure research and applied research. Pure research has no application on real life, whereas applied research attempts to influence the real world.

There are no laws in social science that parallel the laws in natural science. A law in social science is a universal generalization about a class of facts. A fact is an observed phenomenon, and observation means it has been seen, heard or otherwise experienced by researcher. A theory is a systematic explanation for the observations that relate to a particular aspect of social life. Concepts are the basic building blocks of theory and are abstract elements representing classes of phenomena. Axioms or postulates are basic assertions assumed to be true. Propositions are conclusions drawn about the relationships among concepts, based on analysis of axioms. Hypotheses are specified expectations about empirical reality derived from propositions. Social research involves testing these hypotheses to see if they are true.

Social research involves creating a theory, operationalization (measurement of variables) and observation (actual collection of data to test hypothesized relationship). Social theories are written in the language of variables, in other words, theories describe logical relationships between variables. Variables are logical sets of attributes, with people being the "carriers" of those variables (for example, gender can be a variable with two attributes: male and female). Variables are also divided into independent variables (data) that influences the dependent variables (which scientists are trying to explain). For example, in a study of how different dosages of a drug are related to the severity of symptoms of a disease, a measure of the severity of the symptoms of the disease is a dependent variable and the administration of the drug in specified doses is the independent variable. Researchers will compare the different values of the dependent variable (severity of the symptoms) and attempt to draw conclusions.

Guidelines for "good research"

When social scientists speak of "good research" the guidelines refer to how the science is mentioned and understood. It does not refer to how what the results are but how they are figured. Glenn Firebaugh summarizes the principles for good research in his book Seven Rules for Social Research. The first rule is that "There should be the possibility of surprise in social research." As Firebaugh (p. 1) elaborates: "Rule 1 is intended to warn that you don't want to be blinded by preconceived ideas so that you fail to look for contrary evidence, or you fail to recognize contrary evidence when you do encounter it, or you recognize contrary evidence but suppress it and refuse to accept your findings for what they appear to say."

In addition, good research will "look for differences that make a difference" (Rule 2) and "build in reality checks" (Rule 3). Rule 4 advises researchers to replicate, that is, "to see if identical analyses yield similar results for different samples of people" (p. 90). The next two rules urge researchers to "compare like with like" (Rule 5) and to "study change" (Rule 6); these two rules are especially important when researchers want to estimate the effect of one variable on another (e.g. how much does college education actually matter for wages?). The final rule, "Let method be the servant, not the master," reminds researchers that methods are the means, not the end, of social research; it is critical from the outset to fit the research design to the research issue, rather than the other way around.

Explanations in social theories can be idiographic or nomothetic. An idiographic approach to an explanation is one where the scientists seek to exhaust the idiosyncratic causes of a particular condition or event, i.e. by trying to provide all possible explanations of a particular case. Nomothetic explanations tend to be more general with scientists trying to identify a few causal factors that impact a wide class of conditions or events. For example, when dealing with the problem of how people choose a job, idiographic explanation would be to list all possible reasons why a given person (or group) chooses a given job, while nomothetic explanation would try to find factors that determine why job applicants in general choose a given job.

Research in science and in social science is a long, slow and difficult process that sometimes produces false results because of methodological weaknesses and in rare cases because of fraud, so that reliance on any one study is inadvisable.

Ethics

The ethics of social research are shared with those of medical research. In the United States, these are formalized by the Belmont report as:

Respect for persons

The principle of respect for persons holds that (a) individuals should be respected as autonomous agents capable of making their own decisions, and that (b) subjects with diminished autonomy deserve special considerations. A cornerstone of this principle is the use of informed consent.

Beneficence

The principle of beneficence holds that (a) the subjects of research should be protected from harm, and, (b) the research should bring tangible benefits to society. By this definition, research with no scientific merit is automatically considered unethical.

Justice

The principle of justice states the benefits of research should be distributed fairly. The definition of fairness used is case-dependent, varying between "(1) to each person an equal share, (2) to each person according to individual need, (3) to each person according to individual effort, (4) to each person according to societal contribution, and (5) to each person according to merit."

Types of method

The following list of research methods is not exhaustive:

Foundations of social research

Sociological positivism

The origin of the survey can be traced back at least early as the Domesday Book in 1086, while some scholars pinpoint the origin of demography to 1663 with the publication of John Graunt's Natural and Political Observations upon the Bills of Mortality. Social research began most intentionally, however, with the positivist philosophy of science in the early 19th century.


Statistical sociological research, and indeed the formal academic discipline of sociology, began with the work of Émile Durkheim (1858–1917). While Durkheim rejected much of the detail of Auguste Comte's philosophy, he retained and refined its method, maintaining that the social sciences are a logical continuation of the natural ones into the realm of human activity, and insisting that they may retain the same objectivity, rationalism, and approach to causality. Durkheim set up the first European department of sociology at the University of Bordeaux in 1895, publishing his Rules of the Sociological Method (1895). In this text he argued: "[o]ur main goal is to extend scientific rationalism to human conduct. ... What has been called our positivism is but a consequence of this rationalism."

Durkheim's seminal monograph, Suicide (1897), a case study of suicide rates among Catholic and Protestant populations, distinguished sociological analysis from psychology or philosophy. By carefully examining suicide statistics in different police districts, he attempted to demonstrate that Catholic communities have a lower suicide rate than that of Protestants, something he attributed to social (as opposed to individual or psychological) causes. He developed the notion of objective suis generis "social facts" to delineate a unique empirical object for the science of sociology to study. Through such studies he posited that sociology would be able to determine whether any given society is "healthy" or "pathological", and seek social reform to negate organic breakdown or "social anomie". For Durkheim, sociology could be described as the "science of institutions, their genesis and their functioning".

Modern methodologies

In the early 20th century innovation in survey methodology were developed that are still dominant. In 1928, the psychologist Louis Leon Thurstone developed a method to select and score multiple items with which to measure complex ideas, such as attitudes towards religion. In 1932, the psychologist Rensis Likert developed the Likert scale where participants rate their agreement with statement using five options from totally disagree to totally agree. Likert like scales remain the most frequently used items in survey. 

In the mid-20th century there was a general—but not universal—trend for American sociology to be more scientific in nature, due to the prominence at that time of action theory and other system-theoretical approaches. Robert K. Merton released his Social Theory and Social Structure (1949). By the turn of the 1960s, sociological research was increasingly employed as a tool by governments and businesses worldwide. Sociologists developed new types of quantitative and qualitative research methods. Paul Lazarsfeld founded Columbia University's Bureau of Applied Social Research, where he exerted a tremendous influence over the techniques and the organization of social research. His many contributions to sociological method have earned him the title of the "founder of modern empirical sociology". Lazarsfeld made great strides in statistical survey analysis, panel methods, latent structure analysis, and contextual analysis. Many of his ideas have been so influential as to now be considered self-evident.

Social work

From Wikipedia, the free encyclopedia
 
Social work is an academic discipline and practice-based profession that concerns itself with individuals, families, groups, and communities in an effort to enhance social functioning and overall well-being. Social functioning defines as the ability of an individual to perform their social roles within their own self, their immediate social environment, and the society at large. Social work applies social sciences, such as sociology, psychology, political science, public health, community development, law, and economics, to engage with client systems, conduct assessments, and develop interventions to solve social and personal problems; and to bring about social change. Social work practice is often divided into micro-work, which involves working directly with individuals or small groups; and macro-work, which involves working with communities, and - within social policy - fostering change on a larger scale.

The social work industry developed in the 19th century, with some of its roots in voluntary philanthropy and in grassroots organizing. However, responses to social needs had existed long before then, primarily from private charities and from religious organizations. The effects of the Industrial Revolution and of the Great Depression of the 1930s placed pressure on social work to become a more defined discipline.

Definition

Social work is a broad profession that intersects with several disciplines. Social work organizations offer the following definitions:
“Social work is a practice-based profession and an academic discipline that promotes social change and development, social cohesion, and the empowerment and liberation of people. Principles of social justice, human rights, collective responsibility and respect for diversities are central to social work. Underpinned by theories of social work, social sciences, humanities, and indigenous knowledge, social work engages people and structures to address life challenges and enhance well-being." – International Federation of Social Workers
"Social work is a profession concerned with helping individuals, families, groups and communities to enhance their individual and collective well-being. It aims to help people develop their skills and their ability to use their resources and those of the community to resolve problems. Social work is concerned with individual and personal problems but also with broader social issues such as poverty, unemployment, and domestic violence." –Canadian Association of Social Workers
Social work practice consists of the professional application of social work values, principles, and techniques to one or more of the following ends: helping people obtain tangible services; counseling and psychotherapy with individuals, families, and groups; helping communities or groups provide or improve social and health services, and participating in legislative processes. The practice of social work requires knowledge of human development and behavior; of social and economic, and cultural institutions; and the interaction of all these factors." –National Association of Social Workers
"Social workers work with individuals and families to help improve outcomes in their lives. This may be helping to protect vulnerable people from harm or abuse or supporting people to live independently. Social workers support people, act as advocates and direct people to the services they may require. Social workers often work in multi-disciplinary teams alongside health and education professionals." –British Association of Social Workers

History

Victorian photograph of the exterior of a London slum property
A Marylebone slum in the 19th century

The practice and profession of social work has a relatively modern and scientific origin, and is generally considered to have developed out of three strands. The first was individual casework, a strategy pioneered by the Charity Organization Society in the mid-19th century, which was founded by Helen Bosanquet and Octavia Hill in London, England. Most historians identify COS as the pioneering organization of the social theory that led to the emergence of social work as a professional occupation. COS had its main focus on individual casework. The second was social administration, which included various forms of poverty relief – 'relief of paupers'. Statewide poverty relief could be said to have its roots in the English Poor Laws of the 17th century but was first systematized through the efforts of the Charity Organization Society. The third consisted of social action – rather than engaging in the resolution of immediate individual requirements, the emphasis was placed on political action working through the community and the group to improve their social conditions and thereby alleviate poverty. This approach was developed originally by the Settlement House Movement.

This was accompanied by a less easily defined movement; the development of institutions to deal with the entire range of social problems. All had their most rapid growth during the nineteenth century, and laid the foundation basis for modern social work, both in theory and in practice.

Professional social work originated in 19th century England, and had its roots in the social and economic upheaval wrought by the Industrial Revolution, in particular, the societal struggle to deal with the resultant mass urban-based poverty and its related problems. Because poverty was the main focus of early social work, it was intricately linked with the idea of charity work.

Other important historical figures that shaped the growth of the social work profession are Jane Addams, who founded the Hull House in Chicago and won the Nobel Peace Prize in 1931; Mary Ellen Richmond, who wrote Social Diagnosis, one of the first social workbooks to incorporate law, medicine, psychiatry, psychology, and history; and William Beveridge, who created the social welfare state, framing the debate on social work within the context of social welfare provision.

Transtheoretical models

Social work is an interdisciplinary profession, meaning it draws from a number of areas, such as (but not limited to) psychology, sociology, politics, criminology, economics, ecology, education, health, law, philosophy, anthropology, and counseling, including psychotherapy. Field work is a distinctive attribution to social work pedagogy. This equips the trainee in understanding the theories and models within the field of work. Professional practitioners from multicultural aspects have their roots in this social work immersion engagements from the early 19th century in the western countries. As an example, here are some of the models and theories used within social work practice:

Profession

Abraham Flexner in a 1915 lecture, "Is Social Work a Profession?", delivered at the National Conference on Charities and Corrections, examined the characteristics of a profession concerning social work. It is not a 'single model', such as that of health, followed by medical professions such as nurses and doctors, but an integrated profession, and the likeness with medical profession is that social work requires a continued study for professional development to retain knowledge and skills that are evidence-based by practice standards. A social work professional's services lead toward the aim of providing beneficial services to individuals, dyads, families, groups, organizations, and communities to achieve optimum psychosocial functioning.

Its seven core functions are described by Popple and Leighninger as:
  1. Engagement — the social worker must first engage the client in early meetings to promote a collaborative relationship
  2. Assessment — data must be gathered that will guide and direct a plan of action to help the client
  3. Planning — negotiate and formulate an action plan
  4. Implementation — promote resource acquisition and enhance role performance
  5. Monitoring/Evaluation — on-going documentation through short-term goal attainment of the extent to which client is following through
  6. Supportive Counseling — affirming, challenging, encouraging, informing, and exploring options
  7. Graduated Disengagement — seeking to replace the social worker with a naturally occurring resource
Six other core values identified by the National Association of Social Workers' (NASW)[20] Code of Ethics are:
  1. Service — help people in need and address social problems
  2. Social Justice — challenge social injustices
  3. Dignity and worth of the person
  4. Importance of human relationships
  5. Integrity — behave in a trustworthy manner
  6. Competence — practice within the areas of one's areas of expertise and develop and enhance professional skill
A historic and defining feature of social work is the profession's focus on individual well-being in a social context and the well-being of society. Social workers promote social justice and social change with and on behalf of clients. A "client" can be an individual, family, group, organization, or community. In the broadening scope of the modern social worker's role, some practitioners have in recent years traveled to war-torn countries to provide psychosocial assistance to families and survivors. Ethical values are important in the field of social work. The 2019 study indicates that social work leaders’ authenticity positively influences their dispositions toward ethical decision-making.

Newer areas of social work practice involve management science. The growth of "social work administration" for transforming social policies into services and directing activities of an organization toward achievement of goals is a related field. Helping clients with accessing benefits such as unemployment insurance and disability benefits, to assist individuals and families in building savings and acquiring assets to improve their financial security over the long-term, to manage large operations, etc. requires social workers to know financial management skills to help clients and organization's to be financially self-sufficient. Financial social work also helps clients with low-income or low to middle-income, people who are either unbanked (do not have a banking account) or underbanked (individuals who have a bank account but tend to rely on high cost non-bank providers for their financial transactions), with better mediation with financial institutions and induction of money management skills. Another area that social workers are focusing is risk management, risk in social work is taken as Knight in 1921 defined "If you don't even know for sure what will happen, but you know the odds, that is risk and If you don't even know the odds, that is uncertainty." Risk management in social work means minimizing the risks while increasing potential benefits for clients by analyzing the risks and benefits in the duty of care or decisions.

In the United States, according to the Substance Abuse and Mental Health Services Administration (SAMHSA), a branch of the U.S. Department of Health and Human Services, professional social workers are the largest group of mental health services providers. There are more clinically trained social workers—over 200,000—than psychiatrists, psychologists, and psychiatric nurses combined. Federal law and the National Institutes of Health recognize social work as one of five core mental health professions.

Qualifications

The education of social workers begins with a bachelor's degree (BA, BSc, BSSW, BSW, etc.) or diploma in social work or a Bachelor of Social Services. Some countries offer postgraduate degrees in social work, such as a master's degree (MSW, MSSW, MSS, MSSA, MA, MSc, MRes, MPhil.) or doctoral studies (Ph.D. and DSW (Doctor of Social Work)). Increasingly, graduates of social work programs pursue post-masters and post-doctoral studies, including training in psychotherapy.

In the United States, social work undergraduate and master's programs are accredited by the Council on Social Work Education. A CSWE-accredited degree is required for one to become a state-licensed social worker. The CSWE even accredits online master's in social work programs in traditional and advanced standing options. In 1898, the New York Charity Organization Society, which was the Columbia University School of Social Work's earliest entity, began offering formal "social philanthropy" courses, marking both the beginning date for social work education in the United States, as well as the launching of professional social work.

Several countries and jurisdictions require registration or licensure of people working as social workers, and there are mandated qualifications. In other places, a professional association sets academic requirements for admission to the profession. The success of these professional bodies' efforts is demonstrated in that these same requirements are recognized by employers as necessary for employment.

Professional associations

Social workers have several professional associations that provide ethical guidance and other forms of support for their members and social work in general. These associations may be international, continental, semi-continental, national, or regional. The main international associations are the International Federation of Social Workers (IFSW) and the International Association of Schools of Social Work (IASSW).

The largest professional social work association in the United States is the National Association of Social Workers. There also exist organizations that represent clinical social workers such as The American Association of Psychoanalysis in Clinical Social Work. AAPCSW is a national organization representing social workers who practice psychoanalytic social work and psychoanalysis. There are also several states with Clinical Social Work Societies which represent all social workers who conduct psychotherapy from a variety of theoretical frameworks with families, groups, and individuals. The Association for Community Organization and Social Administration (ACOSA) is a professional organization for social workers who practice within the community organizing, policy, and political spheres.

In the UK, the professional association is the British Association of Social Workers (BASW) with just over 18,000 members (as of August 2015).

The Code of Ethics of the US-based National Association of Social Workers provides a code for daily conduct and a set of principles rooted in 6 core values: service, social justice, dignity and worth of the person, importance of human relationships, integrity, and competence.

Trade unions representing social workers

In the United Kingdom, just over half of social workers are employed by local authorities, and many of these are represented by UNISON, the public sector employee union. Smaller numbers are members of the Unite the Union and the GMB (trade union). The British Union of Social Work Employees (BUSWE) has been a section of the Community (trade union) since 2008.

While at that stage, not a union, the British Association of Social Workers operated a professional advice and representation service from the early 1990s. Social Work qualified staff who are also experienced in employment law and industrial relations provide the kind of representation you would expect from a trade union in the event of a grievance, discipline or conduct matters specifically in respect of professional conduct or practice. However, this service depended on the goodwill of employers to allow the representatives to be present at these meetings, as only trade unions have the legal right and entitlement of representation in the workplace.

By 2011 several councils had realized that they did not have to permit BASW access, and those that were challenged by the skilled professional representation of their staff were withdrawing permission. For this reason BASW once again took up trade union status by forming its arms-length trade union section, SWU (Social Workers Union). This gives the legal right to represent its members whether the employer or Trades Union Congress (TUC) recognizes SWU or not. In 2015 the TUC was still resisting SWU application for admission to congress membership and while most employers are not making formal statements of recognition until the TUC may change its policy, they are all legally required to permit SWU (BASW) representation at internal discipline hearings, etc.

Use of information technology in social work

Information technology is vital in social work, it transforms the documentation part of the work into electronic media. This makes the process transparent, accessible and provides data for analytics. Observation is a tool used in social work for developing solutions. Anabel Quan-Haase in Technology and Society defines the term surveillance as “watching over” (Quan-Haase. 2016. P 213), she continues to explain that the observation of others socially and behaviorally is natural, but it becomes more like surveillance when the purpose of the observation is to keep guard over someone (Quan-Haase. 2016. P 213). Often, at the surface level, the use of surveillance and surveillance technologies within the social work profession is seemingly an unethical invasion of privacy. When engaging with the social work code of ethics a little more deeply, it becomes obvious that the line between ethical and unethical becomes blurred. Within the social work code of ethics, there are multiple mentions of the use of technology within social work practice. The one that seems the most applicable to surveillance or artificial intelligence is 5.02 article f, “When using electronic technology to facilitate evaluation or research” and it goes on to explain that clients should be informed when technology is being used within the practice (Workers. 2008. Article 5.02).

Social workers in literature

In 2011, a critic stated that "novels about social work are rare," and as recently as 2004, another critic claimed to have difficulty finding novels featuring a main character holding a Master of Social Work degree.

However, social workers have been the subject of many novels, including:

Fictional social workers in media

Social Work-Talk.jpg
A military social worker counseling a soldier
Occupation
NamesLicensed Clinical Social Worker, Licensed Master Social Worker, Licensed Advanced Practicing Social Worker, Registered Social Worker
Activity sectors
Social welfare, social services, government, health, public health, mental health, occupational safety and health, community organization, non-profit, law, corporate social responsibility, human rights
Description
CompetenciesImproving the social environment and well-being of people by facilitating, and developing resources
Education required
Bachelor of Social Work (BSW), Bachelor of Arts (BA) in Social Work, Bachelor of Science in Social Work (BSc) or a Postgraduate Diploma in Social Work (PGDipSW) for general practice; Master of Social Work (MSW), Master of Science in Social Work (MSSW) for clinical practice; Doctorate of Social Work (DSW) or Professional Doctorate (ProfD or DProf) for or specialized practice; Accredited educational institution; Registration and licensing differs depending on state
Fields of
employment
Child and women protection services, non-profit organizations, government agencies, disadvantaged groups centers, hospitals, schools, churches, shelters, community agencies, social planning services, think tanks, correctional services, labor and industry services
Name Portrayed by Title Year
Ann Vickers Irene Dunne Ann Vickers 1933
Ray Fremick Edward Platt Rebel Without a Cause 1955
Neil Brock George C. Scott East Side/West Side 1963
Edith Keeler Joan Collins Star Trek: The Original Series - The City on the Edge of Forever 1967
Germain Cazeneuve Jean Gabin Two Men in Town 1973
Ann Gentry Anjanette Comer The Baby 1973
Dwight Mercer Mykelti Williamson Free Willy 1993
Mrs. Sellner Anne Haney Mrs. Doubtfire 1993
Mary Bell Angelina Jolie Pushing Tin 1999
Margaret Lewin Jessica Lange Losing Isaiah 1995
Dr. Sonia Wick Vanessa Redgrave Girl, Interrupted 1999
Raquel Leonor Watling Raquel busca su sitio 2000
Cobra Bubbles Ving Rhames Lilo & Stitch 2002
Clare Barker Sally Phillips Clare in the Community 2004
Toby Flenderson Paul Lieberstein The Office 2005
Pankaj Pankaj Kumar Singh Smile Pinki 2008
Emily Jenkins Renée Zellweger Case 39 2009
Bernie Wilkins Don Cheadle Hotel for Dogs 2009
Ms. Weiss Mariah Carey Precious 2009
Mark Lilly Matt Oberg (Voice) Ugly Americans (TV series) 2010-2012
Meera Bhama Janapriyan 2011
Maxine Gray Tyne Daly Judging Amy 1999-2005
Sam Healy Michael Harney Orange Is the New Black 2013
David Mailer Patrick Gilmore Travelers 2016

Atomic bombings of Hiroshima and Nagasaki

From Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki   ...