New educational media in action : case studies for planners.
- Paris : UNESCO , 1969
- 3 vols. : ill. ; 26 cm.
- Based on a research project financed through a contract with the U.S. agency for International Development .
Includes bibliographical references and index.
Educational planning
Teaching
Aids and devices
370.9 / IIEP-2
Includes bibliographical references and index.
Educational planning
Teaching
Aids and devices
370.9 / IIEP-2