Daveloping audio-visual instructional modules for vocational and technical training
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Englewood Cliffs, NJ
Educational Technology Publications
c1977.
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| Gaiak: |