Habermas, Jurgen
On the logic of the social science
Polity Press, 1968
 Buku Teks
Conflicts in social science
edited by Anton van Harskamp
Routledge, 1996
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Gerring, John
Social science methodology : a unified framework
Cambridge University Press, 2017
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Allen, T. Harrell
New Methods in social science research
Praeger, 1978
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Perspectives on behavioral science : the Colorado lectures
edited by Richard Jessor
Westview Press, 1991
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