TY - JOUR A1 - Gardner, Richard A. T1 - The Game of Checkers as a Diagnostic and Therapeutic Tool in Child Psychotherapy T2 - Acta Paedopsychiatrica, Vol. 36 (No. 5, 1969), pp. 142-152. Y1 - 1969 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/10325 N1 - Special print - with inscription ER -