In 2004 it is known that in the parish of Tumbaco, of the drinking water distributed by the Municipal Water and Sewer Public Quito, was contaminated with arsenic. From his knowledge a group begins to meet people to socialize the…
Fecha:
2013-02-01
Recurso:
Universidad Politécnica Salesiana
CIC - Centro de Información y Conocimiento Johannes Gutenberg ®