ºÝºÝߣshows by User: dnhao95py / http://www.slideshare.net/images/logo.gif ºÝºÝߣshows by User: dnhao95py / ºÝºÝߣShare feed for ºÝºÝߣshows by User: dnhao95py https://public.slidesharecdn.com/v2/images/profile-picture.png cô Ä‘Æ¡n... hận...