TOTO,
we're not in Kansas anymore...

A server error occured and unexplained things are happening around us.

Lupita Palacios

nom-087-semarnat-ssa1-2002 aseguramiento de la calidadm. c. liborio martÍnez cruzluis angel márquez lópezguadalupe martínez palaciosdaniel montero mo

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norma 087 | Presentation by Lupita Palacios