/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: hongtham148 https://cdn.slidesharecdn.com/profile-photo-hongtham148-48x48.jpg?cb=1523418843 tôi k là tất cả nhÆ°ng tôi là duy nhất ;)