Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches
Sage Publication, Inc, 2003
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Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches
Sage, 2014
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Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches
Sage, 2018
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Leavy, Patricia, 1975-
Research design : quantitative, qualitative, mixed methods, arts-based, and community-based participatory research approaches
The Guilford Press, 2017
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Researching health : qualitative, quantitative and mixed methods
Mikes Saks, Judith Allshop, editor
Sage, 2019
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