CRISTHY MASIAS

Peru

Joined: 16/10/2010

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CRISTHY MASIAS's PowerPoint Presentations

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CRISMA uploaded a new presentation "humedales de santa rosa de chancay"

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humedales de santa rosa de chancay

SE OBSERVAN LOS HUMEDALES DE SANTA ROSA EN EL DISTRO DE CHANCAY

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CRISMA uploaded a new presentation "contaminacion del distrito de chancay"

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contaminacion del distrito de chancay

Se describe la problematica de la contaminacion en el distrito de Chancay

Views: 242

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CRISMA uploaded a new presentation "ULADECH EXPOSICION enfoque humanista y teocratico"

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