/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: vananhan https://public.slidesharecdn.com/v2/images/profile-picture.png sinh nhật âm: 1/12/1993 dÆ°Æ¡ng: 12/1/1994