Presentacion: Contaminacion Sonora

November 11, 2010 | Categories: Contaminacion Sonora | Leave a comment

Video: Escenario Negativo – Positivo

November 11, 2010 | Categories: Contaminacion Sonora | Leave a comment

Contaminacion Sonora

Esquema

Video ( Grupo 8 )

Video ( Fuente ‘El Comercio’ )

October 21, 2010 | Categories: Contaminacion Sonora | Leave a comment