/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: bacviet1 https://cdn.slidesharecdn.com/profile-photo-bacviet1-48x48.jpg?cb=1523480712 chẳng có gì đặc sắc mà nói. thích thì pm....