/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: undestandaq https://cdn.slidesharecdn.com/profile-photo-undestandaq-48x48.jpg?cb=1523435438 Ờ...Vậy CÅ©ng Mừng