Belth, Marc. The process of thinking Marc Belth. - New York McKay c1977. - xxi, 234 p. 23 cm. - Educational policy, planning, and theory . Includes index. Bibliography: p. 221-226. ISBN: 0679303278 5.95 LCCN: 77023193 Subjects--Topical Terms: Thought and thinking LC Class. No.: BF455 / .B345 Dewey Class. No.: 153.4/2