Ciencias : naturaleza y salud. /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | Spanish |
| Published: |
Bogota :
Educar,
1989.
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| Physical Description: | 3 volúmenes : ilustraciones ; 28 cm. |
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| ISBN: | 958050279X 9580502803 (v. 6.) 9580502803 (v. 7.) 9580505004 (v. 9.) |