El problema /
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| Corporate Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | Spanish |
| Published: |
Bogotá :
ICBF,
1970.
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| Subjects: | |
| Notas Contenido: |
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| Item Description: | incluye índice |
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| Physical Description: | 75 páginas : ilustraciones ; 31 cm. |