A Summary of research in science education for the years of 1968-69 elementary school level /
| Autor principal: | |
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| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Columbus :
Ohio State University ERIC Information Analysis Center for Science Education,
1969.
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| Colección: | Research review series-science; paper ;
6) |
| Materias: |
| Descripción Física: | 65 páginas ; 28 cm.-- |
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