/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: haiyennguyen79462 https://cdn.slidesharecdn.com/profile-photo-haiyennguyen79462-48x48.jpg?cb=1523456403 .<<<ck là nhất tất cả vì ck >>>.