Craig, Robert C. The psychology of learning in the classroom [by] Robert C. Craig. - New York Macmillan [1966] - vii, 85 p. 21 cm. - The Psychological foundations of education series . Bibliography: p. 83-85. LCCN: 66010763 Nat. Bib. No.: GB66-5505 Subjects--Topical Terms: Learning, Psychology of.Reinforcement (Psychology) LC Class. No.: LB1059 / .C84 Dewey Class. No.: 370.152.3 CRA