Pitts, Carl E. Operant Conditioning in the Classroom : Introductory Readings in Educational Psychology Introductory Readings in Educational Psychology / Carl E. Pitts - New York, Estados Unidos de América : Thomas Y. Crowell Company, 1971 - 386 páginas ISBN: 0-690-60063-1 Subjects--Topical Terms: Psicología. Introducción a la Psicología Dewey Class. No.: 150 / P692o