/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: trungnt93 https://public.slidesharecdn.com/v2/images/profile-picture.png cái gì đã là of mình thì sẽ fải là of riêng mình thôi----> ích kỉ ---> tồi tệ