/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: lanlan1987 https://cdn.slidesharecdn.com/profile-photo-lanlan1987-48x48.jpg?cb=1716889805 Hãy gõ cá»­a sẽ mở.....