Preparation and use of audio-visual aids
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| OCLC: | 580725656 |
|---|---|
| Main Authors: | , |
| 語言: | English |
| 出版: |
New York,
Prentice-Hall,
1950.
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| 版: | Rev. and enl. ed. |
| 主題: | |
| 在線閱讀: | Center for Research Libraries |
| 相關項目: | Print version:
Preparation and use of audio-visual aids. |
| 格式: | Monograph 在線閱讀 |