/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: IrirsG https://cdn.slidesharecdn.com/profile-photo-IrirsG-48x48.jpg?cb=1523279814 Mrs. Murphy♫ Ley de Murphy: «Si algo puede salir mal, saldrá mal.»