/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: datchuan09 https://cdn.slidesharecdn.com/profile-photo-datchuan09-48x48.jpg?cb=1523510149 Xấu nhÆ°ng biết phấn đấu :D