How firm a foundation? : An appraisal of threats to the quality of elementary education.
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| Autor principal: | |
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| Formato: | Livro |
| Idioma: | English |
| Publicado em: |
Cambridge, Mass. :
Harvard university press,
1956.
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| Colecção: | Harvard University. Graduate School of Education. The Burton lecture ;
1955 |
| Assuntos: |
| Descrição Física: | 42 p. |
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