/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: thanhpvfc https://cdn.slidesharecdn.com/profile-photo-thanhpvfc-48x48.jpg?cb=1540082988 Tôi là Nguyá»…n Lê Thành