/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: caovu54 https://cdn.slidesharecdn.com/profile-photo-caovu54-48x48.jpg?cb=1523490589 Biết ăn biết ngÅ© vậy là đủ...!! Hi Hi