Effective audio-visual : a user's handbook /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London ; Boston :
Focal Press,
1987.
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| Subjects: |
| Item Description: | Includes index. |
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| Physical Description: | 208 p., [4] p. of plates : ill. (some col.) ; 26 cm. |
| ISBN: | 0240512545 : |