(1969). New educational media in action: Case studies for planners ; based on a research project financed through a contract with the United States Agency for International Development (Reprinted.). Unesco, Internat. Inst. for Educational Planning.
Chicago-Zitierstil (17. Ausg.)New Educational Media in Action: Case Studies for Planners ; Based on a Research Project Financed Through a Contract with the United States Agency for International Development. Reprinted. Paris: Unesco, Internat. Inst. for Educational Planning, 1969.
MLA-Zitierstil (9. Ausg.)New Educational Media in Action: Case Studies for Planners ; Based on a Research Project Financed Through a Contract with the United States Agency for International Development. Reprinted. Unesco, Internat. Inst. for Educational Planning, 1969.