Psacharopoulos, George Returns to education: an international comparison / George Psacharopoulos & Keith Hinchliffe - Amsterdam : Elsevier Scientific Publishing , 1973 - xiii, 216p. : ill. ; 22 cm. Includes bibliographical references and index. ISBN: 0444410279 Subjects--Topical Terms: EducationEconomic aspectsCase studies Dewey Class. No.: 370 / PSA