/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: marcpermanyer https://cdn.slidesharecdn.com/profile-photo-marcpermanyer-48x48.jpg?cb=1523534359 "La verdadera grandeza de la ciencia acaba valorándose por su utilidad" (Gregorio Marañón)