The effects of the Science Curriculum Improvement Study (SCIS) on science achievement of selected sixth trade students /
Guardat en:
| Autor principal: | |
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| Autor corporatiu: | |
| Format: | Thesis Llibre |
| Idioma: | English |
| Publicat: |
Ann Arbor, Mich. :
University Microfilms International,
[19--]
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| Descripció física: | 131 p. ; 21 cm. |
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| Bibliografia: | Bibliography: p. 112-119. |