Gorman, Richard M. Discovering Piaget : a guide for teacher / Richard M. Gorman - Columbus, Ohio : Charles E. Merrill Pub. Co., 1972 - vii, 119 p. : ill. ; 23 cm. Bibliography: p. 117-119 ISBN: 0675091101 Subjects--Personal Names: Piaget, Jean, 1896 Subjects--Topical Terms: Learning, Psychology of