/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ngyenthiquynhmai https://cdn.slidesharecdn.com/profile-photo-ngyenthiquynhmai-48x48.jpg?cb=1523720408 RÆ¡i vào trạng thái tá»± kỉ.... :(