An experimental investigation of the effects of multiple library sources as compared to the use of a basis textbook on student achievement and learning, activity in junior high school science.
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| Main Author: | |
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| Format: | Book |
| Language: | English |
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Ann Arbor, Mich :
University Microfilms,
1974.
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| Item Description: | Bibliography: l. 219-226. |
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| Physical Description: | 226 l. |