PARADIGMAS
Author: Andres Lopez Astudillo
http://www.youtube.com/watch?v=VxtueAN5QIo&feature=related http://www.youtube.com/watch?v=OEoTWzOpsms&feature=related http://www.youtube.com/watch?v=2T32gofzniQ&feature=relatedLO SISTEMICO EN LA GERENCIA DEL MEDIO AMBIENTE