A technique for developing content for a professional course in science for teachers in elementary schools
Guardado en:
| Autor principal: | |
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| Formato: | Libro |
| Publicado: |
New York :
Columbia University,
1930.
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| Aporte de: | Registro referencial: Solicitar el recurso aquí |
| Descripción Física: | ix, 101 p. ; 21 cm. |
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