/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: zen508 https://cdn.slidesharecdn.com/profile-photo-zen508-48x48.jpg?cb=1523595433 Là má»™t khối mâu thuẫn, vậy thôi :D