Black, James A., author
Methods and issues in social research
John Wiley & Sons, 1976
 Buku Teks
Judd, Charles M., author
Research methods in social relations
Methuen, 1991
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Bailey, Kenneth D., author
Methods of social research
The free press, 1994
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Zikmund, William G., author
Business research methods
The Dryden Press, 1988
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Greenstein, Theodore N., author
Methods of family research
Sage Publications, 2001
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