/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NhiLuong https://public.slidesharecdn.com/v2/images/profile-picture.png nam hoc. dau` doi` cua? minh`sau khi tot' nghiep mau~ giao' la` lop' 2 hehe