Early childhood education its principles and practices
| Autor principal: | |
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| Format: | Llibre |
| Idioma: | English |
| Publicat: |
New York
Appleton-Century-Crofts
c1937.
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| Col·lecció: | Appleton series in supervision and teaching edited by A.S. Barr and William H. Burton
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| Matèries: |