/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: quynhle3139 https://cdn.slidesharecdn.com/profile-photo-quynhle3139-48x48.jpg?cb=1523501069 ko biết tá»± nhận xét nổi....hehe :) :) :)