Qualitative research in social work
edited by Edmund Sherman and William J. Reid
Columbia University Press, 1994
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Grinnell, Richard M.
Social work research and evaluation : quantitative and qualitative approaches
F.E. Peacock, 2001
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Berg, Bruce Lawrence, 1954-
Qualitative research methods for the social sciences
Pearson, 2004
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Neuman, Lawrence W.
Basics of social research: qualitative and quantitative
Pearson New International edition, 2014
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Berg, Bruce Lawrence, 1954-
Qualitative research methods for the social sciences
Pearson, 2014
 Buku Teks SO