Lindlof, Thomas R.
Qualitative communication research methods
Sage, 1995
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Lindlof, Thomas R.
Qualitative communication research methods
Sage, 2011
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Patton, Michael Quinn
Qualitative evaluation and research methods
Sage, 1990
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Rice, Pranee Liamputtong
Qualitative Research Methods
Oxford University Press, 1999
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Green, Judith, 1961-
Qualitative methods for health research
Sage, 2018
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