/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: GiangLe17 https://cdn.slidesharecdn.com/profile-photo-GiangLe17-48x48.jpg?cb=1523412454 dám nghÄ©,dám làm,dám chấp nhận