/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: thennguyen https://public.slidesharecdn.com/v2/images/profile-picture.png Chợt nhận ra... Trong cs cái gì cÅ©ng má»™t ít, má»™t ít thì sẽ quý hÆ¡n...