/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: anknguyen94 https://cdn.slidesharecdn.com/profile-photo-anknguyen94-48x48.jpg?cb=1523469862 Quen thì hiểu ... ... k quen tò mò làm chi :))