silvia

Chile

Joined: 02/10/2011

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silvia's PowerPoint Presentations

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silviagg commented on gildarojasa's presentation "LOS RECURSOS NATURALES"

72 months ago

LOS RECURSOS NATURALES

si hay problemas en la descarga escribirme a gildarojasa@hotmail.com /// gildarojas1980@gmail.com

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silviagg : hola me pareció muy buena la presentación, pero no se puede descargar, como lo hago

72 months ago

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silviagg uploaded a new presentation "reciclaje"

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silviagg uploaded a new presentation "reciclaje"

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