/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: chjcken1701 https://cdn.slidesharecdn.com/profile-photo-chjcken1701-48x48.jpg?cb=1523265498 ko có j để quan tâm cả đâu :D