Ashem Beatrice A Adaptive learning Behavior modification with children Ashem Beatrice A; Poser Ernest G - New York Pergamon Press 1973 - x,439p. illus cm. - The pergamon general psychology series; 29 . Standard No.: 83,064 Source: Textual Subjects--Topical Terms: PSYCHOLOGY Dewey Class. No.: S1-6:86, L3