/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: vallesantos https://cdn.slidesharecdn.com/profile-photo-vallesantos-48x48.jpg?cb=1610276619 µþ¾±´Ç³¾Ã©»å¾±³¦´Ç