Raamatud Helen Leland Witmer
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-40%
New Perspectives for Research on Juvenile Delinquency, a Report of a Conference on the Relevance and Interrelations of Certan Concepts From Sociology and Psychiatry for Delinquency, Held May 6 and 7, 1955
Ruth Kotinsky, Helen Leland Witmer
18,62 €
31,03 €
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-40%
Parents and Delinquency; a Report of a Conference
16,55 €
27,58 €
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-40%
The Effectiveness of Delinquency Prevention Programs
Edith Tufts, Helen Leland Witmer
30,96 €
51,60 €
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-40%
The Effectiveness of Delinquency Prevention Programs
Edith Tufts, Helen Leland Witmer
16,49 €
27,48 €
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