Audio-visual aids to instruction /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
McGraw Hill,
1949.
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| Edition: | 2nd ed. |
| Series: | McGraw-Hill series in education
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| Subjects: |
| Physical Description: | xvi, 608 p. : ill. |
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