/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: daohongthangcntp https://cdn.slidesharecdn.com/profile-photo-daohongthangcntp-48x48.jpg?cb=1523500113 Liên hệ trá»±c tiếp vá»›i chủ nhân để biết rõ thông tin chi tiếp ! help ....