/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: pthan2 https://cdn.slidesharecdn.com/profile-photo-pthan2-48x48.jpg?cb=1523279036 rất vui khi tham gia fc vá»›i các bạn