The Sage handbook of qualitative research
Norman K. Denzin, Yvonna S. Lincoln, editor
Sage , 2011
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The Sage handbook of qualitative research
editors, Norman K. Denzin, Yvonna S. Lincoln
Sage , 2018
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The SAGE encyclopedia of qualitative research methods
Sage Publications, 2008
 eBooks
The SAGE handbook of early childhood research
edited by Ann Farrell, Sharon Lynn Kagan and E. Kay M. Tisdall
SAGE Publications, 2016
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The SAGE handbook of online research methods
edited by Nigel G. Fielding; Raymond M. Lee; Grant Blank
SAGE Reference, 2017
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