/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: aliavalar https://cdn.slidesharecdn.com/profile-photo-aliavalar-48x48.jpg?cb=1540511895 El hombre es un experimento; el tiempo demostrará si valía la pena" Mark Twain