Cropley, A. J. Lifelong education : a psychological analysis / by A.J. Cropley. - 1st ed. - Oxford ; New York : Oxford ; New York : Pergamon Press, 1977. - Advances in lifelong education ; v. 3 . Includes index. Bibliography: p. 166-184. ISBN: LCCN: 77005702 //r83 Subjects--Topical Terms: Adult education. LC Class. No.: LC5219 / .C74 Dewey Class. No.: 374