/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: nadinbass https://public.slidesharecdn.com/v2/images/profile-picture.png Primero te ignoran, luego se ríen de ti, después te atacan. Entonces, has ganado. Mahatma Gandhi