Shaw, Ian
Qualitative research in social work
Sage, 2001
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Qualitative research
edited by Alan Bryman, Robert G. Burgess
SAGE Publication, 1999
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Schratz, Michael
Research as social change : new opportunities for qualitative research
Routledge, 1995
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Bowling, Ann
Research methods in health
Open University Press, 2006
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Handbook of qualitative research
Norman K. Denzin, Yvonna S. Lincoln, editors
Sage Publications, 1994
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