/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: hugollugocantillo https://cdn.slidesharecdn.com/profile-photo-hugollugocantillo-48x48.jpg?cb=1523652814 J Alvarez " EL DUEÑO DEL SISTEMA "