/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ChuckyTit https://cdn.slidesharecdn.com/profile-photo-ChuckyTit-48x48.jpg?cb=1523344086 luôn luôn lắng nghe,sẵn sàng chia sẻ,dù đúng hay sai :p