/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: dungle923 https://cdn.slidesharecdn.com/profile-photo-dungle923-48x48.jpg?cb=1523612602 Ä‘ang có giấy chứng nhận chÆ°a yêu, hehe