The Economics of new educational media.
- Paris : Unesco, 1977-1982.
- 3 v. ; 23 cm.
- Educational methods and techniques ; 1 .
"Prepared with the assistance of the International Council for Educational Media."
Includes bibliographies.
v. 1. Present status of research and trends -- v. 2. Cost and effectiveness -- v. 3. Cost and effectiveness overview and synthesis.
9231014234 (pbk. : v. 1)
77557780
Educational technology.
LB1028.3 / .E27
"Prepared with the assistance of the International Council for Educational Media."
Includes bibliographies.
v. 1. Present status of research and trends -- v. 2. Cost and effectiveness -- v. 3. Cost and effectiveness overview and synthesis.
9231014234 (pbk. : v. 1)
77557780
Educational technology.
LB1028.3 / .E27