Cohen, Lillian
Statistical methods for social scientist: an intriduction
Prentice-Hall, 1955
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Cohen, Lillian
Statistical methods for social scientist: an intriduction
Prentice-Hall, 1955
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Galtung, Johan
Theory and methods of social research
George Allen and Unwin, 1969
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Goode, William J.
Methods in social research
McGraw-Hill, 1952
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Jahoda, Marie
Research methods in social relation: with special reference to prejudice
Dryden Press, 1955
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