Bell, Judith
Doing your research project : a guide for first-time researchers
McGraw-Hill Education, 2014
Buku Teks
Foundations for research: methods of inquiry in education and the social sciences
New jersey, 2004
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Methodology of social science research / edited by Sugata Dasgupta
Impex India, 1967
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White, Patrick, 1971-
Developing research questions : a guide for social scientists
Palgrave Macmillan, 2009
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Judd, Charles M.
Research methods in social relations
Methuen, 1991
Buku Teks