/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: phananhkhoa39 https://cdn.slidesharecdn.com/profile-photo-phananhkhoa39-48x48.jpg?cb=1523516472 Dá»… gần, rất dá»… gần ^^