Talledo Aguilar, Ivis Miroslava; Pérez Vera, Max Leonardo; Córdova Durán, Edmundo Guillermo; Espinoza Cárdenas, Alex
(2010-05-18)
Talking about ecology, environment, recycling and other factors affecting our planet and means of prevention
to counter these problems is a subject not well known in our country, product by the lack of guidance and / or ...