/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: andresviillalba https://public.slidesharecdn.com/v2/images/profile-picture.png Estudiante De Ingeniería Civil! Universidad Cooperativa De Colombia! Pursuit Of Happiness!! Sigueme En Twitter!!! https://twitter.com/BrainsAv