edited by Meghan Cope and Sarah Elwood
SAGE Publications, 2009
Buku Teks
Mikes Saks, Judith Allshop, editor
Sage, 2019
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Creswell, John W., author
Sage Publication, Inc, 2003
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Creswell, John W., author
Sage, 2018
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Creswell, John W., author
Sage, 2014
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