/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: QuangTruong01 https://cdn.slidesharecdn.com/profile-photo-QuangTruong01-48x48.jpg?cb=1620053123 K hiểu nổi miÌ€nh.