/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: KhuonVnKhu https://cdn.slidesharecdn.com/profile-photo-KhuonVnKhu-48x48.jpg?cb=1523141654 vui vẻ, thoải mái,