The Economics of new educational media : present status of research and trends.
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| 企业作者: | , |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Paris :
Unesco,
1977-1982.
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| 丛编: | Educational methods and techniques.
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| 主题: |
| Item Description: | "Prepared with the assistance of the International Council for Educational Media.". |
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| 实物描述: | 3 v. ; 23 cm. |
| 参考书目: | Includes bibliographies. |
| ISBN: | 9231014234 |