Cost and effectiveness overview and synthesis
Author(s)
Bibliographic Information
Cost and effectiveness overview and synthesis
（Educational methods and techniques, 1 . The economics of new educational media ; vol. 3）
Unesco, 1982
- : pbk
Available at / 4 libraries
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Library of Education, National Institute for Educational Policy Research
: pbk371.3||138||3022412661
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Note
"Prepared with the assistance of the International Council for Educational Media."
Includes bibliographies