/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: aogiactamlinh https://cdn.slidesharecdn.com/profile-photo-aogiactamlinh-48x48.jpg?cb=1523589551 1.Nhạt 2.Khẳng định 1 3.Nhấn mạnh 2