The state of audiovisual technology, 1961-1966
by Eleanor P. Godfrey
Bok Engelsk 1967 Eleanor P Godfrey
| Utgitt | Washington : Dept. of Audiovisual Instruction, National Education Association of the United States , 1967
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|---|---|
| Omfang | 217 p. : illus., forms.
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| Opplysninger | Bibliography: p. 120-122.
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| Emner |
