/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: taibui161 https://public.slidesharecdn.com/v2/images/profile-picture.png Nhà Nghèo, bèo nhèo!! Nghèo hÆ¡n chữ nghèo!!