Qualitative methods in organizational research: a practical guide
edited by Catherine Cassel and Gillian Symon
Sage, 1995
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Using qualitative methods in institutional research
edited by David M. Fetterman
Jossey Bass, 1991
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Green, Judith, 1961-
Qualitative methods for health research
Sage, 2018
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Creswell, John W.
Research design : Pendekatan metode kualitatif, kuantitatif, dan mixed = Research design : qualitative & quantitative approaches
Pustaka Pelajar, 2009
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Qualitative psychology: a practical guide to research methods
edited by Jonathan A. Smith
SAGE, 2015
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