/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: vuhoangkinh https://public.slidesharecdn.com/v2/images/profile-picture.png BiÌ€nh thÆ°Æ¡Ì€ng nhÆ° Ä‘i trên Ä‘Æ°Æ¡Ì€ng