/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: linhnam545 https://cdn.slidesharecdn.com/profile-photo-linhnam545-48x48.jpg?cb=1523863595 ±ôù²Ô.³ó¾±³ó¾±