/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: vananhbui353 https://cdn.slidesharecdn.com/profile-photo-vananhbui353-48x48.jpg?cb=1523395995 Nhieu nguoi bao la minh hien lanh ,co ma thinh thoang cung biet nô?i Ä‘iên đâ'y :D