Stebbins, Robert A.
Exploratory research in the social sciences
Sage, 2001
 Buku Teks
Research methods in the social sciences
edited, Bridget Somekh, Cathy Lewin
Sage Publications , 2005
 Buku Teks SO
A guide to the social sciences
edited by Norman MacKenzie
The New American Library, 1968
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Flora, David B.
Statistical methods for the social &​ behavioural sciences : a model-based approach
Sage, 2018
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Bechhofer, Frank
Principles of research design in the social sciences
Routledge, 2000
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