Learning theory and AV utilization : a collection of authoritative papers /
Guardat en:
| Autor corporatiu: | |
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| Altres autors: | |
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
Washington, D.C. :
Department of Audiovisual Instruction,
1961.
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| Matèries: |
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