/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: nguyenquocthang1 https://cdn.slidesharecdn.com/profile-photo-nguyenquocthang1-48x48.jpg?cb=1523243080 vui vẻ thích kết bạn 4 phÆ°Æ¡ng...hâm nhÆ°ng đáng iu :))