Educación elemental : problemas y perspectivas /
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| Format: | Book |
| Language: | Spanish |
| Published: |
México :
Centro Regional de Ayuda Técnica ,
1971
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| Edition: | 1a. ed. |
| Series: | Biblioteca de la Nueva Educación
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| Subjects: |
| Physical Description: | 146 p. ; 22 cm. |
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