/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: Ecologista007 https://cdn.slidesharecdn.com/profile-photo-Ecologista007-48x48.jpg?cb=1523522185 Ecologista, estudiante de ingeniería civil, docente, blogger y ciclista de ♥