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100 |
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|aWittich, Walter Arno|d, 1910-
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245 |
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|aInstructional technology, its nature and use|c/ Walter A. Wittich, Charles F. Schuller.
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250 |
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|a6th ed.
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260 |
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|aNew York|b: Harper & Row|c, c1979.
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300 |
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|axx, 331 p.|b: ill.|c; 24 cm.
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|aIncludes bibliographies and index.
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650 |
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|aAudio-visual education.
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700 |
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|aSchuller, Charles Francis|e, joint author.
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809 |
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