Problems of conservation, our natural resources /
Sumario: Muestra la importancia de los recursos naturales y su conservacion.
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | Spanish |
| Published: |
Chicago, III. :
Encyclopaedia Britannica Educational Corp,
c1970.
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| Subjects: |
Sistema de Bibliotecas de Universidad de Costa Rica
| Call Number: |
575.016.2 |
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| Copy | Available |