/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: TuLycpum https://cdn.slidesharecdn.com/profile-photo-TuLycpum-48x48.jpg?cb=1618040724 TrÆ°Æ¡ng Thị Tuyết Ly