/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: kucuong3 https://cdn.slidesharecdn.com/profile-photo-kucuong3-48x48.jpg?cb=1523561103 ko có gì là ko thể nếu nhÆ° bạn có cố gắng...