Shaw, Ian
Qualitative research in social work
Sage, 2001
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Qualitative research in social work
edited by Edmund Sherman and William J. Reid
Columbia University Press, 1994
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Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Allyn and Bacon, 2003
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Punch, Keith F.
Introduction to Social Research: quantitative and qualitative approaches
Sage, 1998
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Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Allyn and Bacon, 2000
 Buku Teks SO