Wong, Ruth H. k. Educational innovation in Singapore / Ruth H. k. Wong. - Spanish ed. - Paris : The unesco press, c 1974. - v, 83 p. : ill. ; 23 cm. - Experiments and innovations in education no-9 . Includes bibliographry(81-82). 333 333 ISBN: 92-3-101173-1 92-3-201173-5 92-3-301173-9 Subjects--Topical Terms: Educational innovation. Dewey Class. No.: 379.5952 / U3c