Audio cassettes: the user medium
Incl. bibl.
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| Main Author: | |
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| Format: | book biblioteca |
| Language: | eng |
| Published: |
UNESCO
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| Subjects: | Magnetic tape recordings, Sound recordings, Field work, Developing countries, Communication technology, Costs, Production, Teaching materials, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000023784 |
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