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Understanding social work research
McLaughlin, Hugh, (2012)
Social work research : ethical and political contexts
D'Cruz, Heather, (2004)
Qualitative methods in social work research : challenges and rewards
Padgett, Deborah K., (1998)
Soziale Arbeit mit Gruppen : eine Einführung
Schmidt-Grunert, Marianne, (1997)