Cofer, Charles N. Psychology: a programmed modular approach Charles N. Cofer and Hiram E. Fitzgerald, coeditors; Roger H. Hermanson. -- Homewood, III Learning Systems 1975 674p. 25cm. Includes bibliographical references and index. ISBN: 0256017115 Subjects--Topical Terms: Psychology.Dewey Class. No.: GC 150 P959 1975