Teaching at a distance : an appraisal of the co-ordinated teaching of O level physics using television, correspondence and special aids
E.G. Wedell and H.D. Perraton
Bok Engelsk 1968
| Utgitt | London : National Institute of Adult Education , 1968
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|---|---|
| Omfang | 64 s. : ill.
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| Emner |
