/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: PhanNhuViet https://cdn.slidesharecdn.com/profile-photo-PhanNhuViet-48x48.jpg?cb=1523558645 Bản thân đã giá»›i thiệu