(1972). The art of helping; a guide for developing helping skills for parents, teachers and counselors [by] Robert R. Carkhuff.
Citace podle Chicago (17th ed.)The Art of Helping; a Guide for Developing Helping Skills for Parents, Teachers and Counselors [by] Robert R. Carkhuff. 1972.
Citace podle MLA (9th ed.)The Art of Helping; a Guide for Developing Helping Skills for Parents, Teachers and Counselors [by] Robert R. Carkhuff. 1972.
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