/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: danghonghuy https://public.slidesharecdn.com/v2/images/profile-picture.png ko có gì giá»›i thiệu cả, mún biết thì tá»± tìm hiểu nhá :))