Alternative routes to formal education : distance teaching for school equivalency / edited by Hilary Perraton. - Baltimore : Published for the World Bank [by] Johns Hopkins University Press, 1982. - xiii, 329 p. : ill. ; 25 cm. ISBN: 0801825873 LCCN: 82007233 Subjects--Topical Terms: Non-formal educationYaygın eğitim LC Class. No.: LC45.3 / .A45 1982 Dewey Class. No.: 374.4 / ALT 1982