New educational media in action, case studies for planners. - Paris, Unesco, International Institute for educational planning. 1967. - 3 v. illus. 24 cm. Includes bibliographical references. LCCN: 68090326 Nat. Bib. No.: v. 1: F67-10567 v. 2-3: F68-1946 Subjects--Topical Terms: Teaching--Aids and devices.Educational planning. LC Class. No.: LB3044 / .I5 Dewey Class. No.: 371.33