/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: tranthuyquynh9 https://cdn.slidesharecdn.com/profile-photo-tranthuyquynh9-48x48.jpg?cb=1523660145 Ä‚n được ngủ được là tiên ;;)