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|a Sistema Bibliotecario Universidad de El Salvador
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|a Educación y Medio Ambiente en los países Andinos:
|b Estrategias Educativas/
|c OEA/OAS; comp. Beatrice Edwards.
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|a Washington, D.C. :
|b Departamento de Asuntos Educativos, 1989,
|c 1995
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| 300 |
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|a 191 ;
|b il.
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|a Interamer serie educativa
|v 43
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|a incluye índice general
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|a Educación Primaria ambiental-Bolivia-Colombia-Ecuador-Venezuela
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|a Edwards, Beatrice
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