Ciencias naturales /
| Other Authors: | |
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| Format: | Book |
| Language: | Spanish |
| Published: |
San José, Costa Rica :
EUNED-MEP ,
1997.
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| Edition: | 1. ed. |
| Series: | Educación diversificada a distancia
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| Subjects: |
| Physical Description: | volúmenes : ilustraciones ; 27 cm. |
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