Programmed instruction and educational technology in the language teaching field : new approaches to old problems
by Jacob Ornstein, Ralph W. Ewton, Jr. [and] Theodore H. Mueller
Bok Engelsk 1971 Jacob Ornstein-Galicia
| Utgitt | Philadelphia : Center for Curriculum Development , 1971
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|---|---|
| Omfang | IX, 190 s.
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| Emner | |
| ISBN | 0838426298
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