The practitioner as researcher: Qualitative case studies in play therapy.

Handbook of Qualitative Research

Gill Crozier, Norman K. Denzin, Yvonna S. Lincoln · British Journal of Educational Studies · 1994 · 26.7K citations

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Redefining Case Study

Rob VanWynsberghe, Samia Khan · International Journal of Qualitative Methods · 2007 · 371 citations · Full text

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A meta-analysis of play therapy outcomes

Michael LeBlanc, Martin H. Ritchie · Counselling Psychology Quarterly · 2001 · 215 citations

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Academic contributions to psychological counselling. 1. A philosophy of science for the study of individual cases

Counselling Psychology Quarterly · 1990 · 176 citations

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The Dissociation of a Personality. A Biographical Study in Abnormal Psychology.

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