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|a Alvarez Gallardo, Juan Marco
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| 245 |
0 |
4 |
|a Una Década de Medio Ambiente y Desarrollo Sostenible (1991-2000):
|b Escritores para impulsar un mejor futuro. /
|c Juan Marco Alvarez Gallardo.
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| 250 |
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|a 1a. ed.
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| 260 |
|
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|a El Salvador :
|b Imprenta Criterio,
|c 2001
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| 300 |
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|a 12+ 118 p. ;
|b il.
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| 650 |
|
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|a Recursos Naturales-Protección
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| 650 |
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|a Conservación Ambiental
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|a Desarrollo Sostenible
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|a agr_osorio
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|a 02/10/2006
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