Manual [de] educación cooperativa. - Wáshington, 1958. - vii, 203 p. illus. 26cm. At head of title: Consejo Interamericano Económico y Social. Bibliography at end of each chapter. LCCN: pa 58000061 Subjects--Topical Terms: Cooperation--Study and teaching. LC Class. No.: HD2955 / .P3