/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: nhatnheo961 https://cdn.slidesharecdn.com/profile-photo-nhatnheo961-48x48.jpg?cb=1523541786 Muốn biết thì liên hệ trá»±c tiếp :3