Diyasena, W. Pre-vocational education in Sri Lanka / W. Diyasena. - Paris : Unesco, c 1976. - 50 p. ; 22 cm. - Experiments and innovations in education. Asian series, 28. . Includes bibliographical reference. 314 314 ISBN: 92-3-101404-8 Subjects--Topical Terms: Education system--Sri Lanka. Dewey Class. No.: 371.4095489 / D647p