/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: waldoarevalo1 https://cdn.slidesharecdn.com/profile-photo-waldoarevalo1-48x48.jpg?cb=1661889563 "Hay dos maneras de difundir la luz... ser la lámpara que la emite, o el espejo que la refleja" Lin Yutang