The Economics of new educational media : present status of research and trends.
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| Корпоративные авторы: | , |
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| Формат: | |
| Язык: | English |
| Опубликовано: |
Paris :
Unesco,
1977-1982.
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| Серии: | Educational methods and techniques.
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| Предметы: |
| Примечание: | "Prepared with the assistance of the International Council for Educational Media.". |
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| Объем: | 3 v. ; 23 cm. |
| Библиография: | Includes bibliographies. |
| ISBN: | 9231014234 |