Patton, Michael Quinn
Qualitative research and evaluation methods
Sage, 2002
Buku Teks
Patton, Michael Quinn
Qualitative evaluation and research methods
Sage, 1990
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Mertens, Donna M.
Research and evaluation in education and psychology : integrating diversity with quantitative, qualitative, and mixed methods
SAGE, 2014
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Green, Judith, 1961-
Qualitative methods for health research
Sage, 2018
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Rice, Pranee Liamputtong
Qualitative Research Methods
Oxford University Press, 1999
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