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Basic research methods in social science : The art of empirical investigation
Simon, Julian Lincoln, (1969)
Methods of social research
Bailey, Kenneth D., (1978)
Sociological research methods : an introduction
Bulmer, Martin, (1977)
Continuities in the language of social research
Lazarsfeld, Paul Felix, (1972)
Main trends in sociology
Lazarsfeld, Paul Felix, (1973)
An episode in the history of social research : a memoir
Lazarsfeld, Paul Felix, (1968)