/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: AnhNguyenThuy https://cdn.slidesharecdn.com/profile-photo-AnhNguyenThuy-48x48.jpg?cb=1523466490 Dá»… gần nhÆ°ng khó hiểu...!<3