/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: kidmissyou505 https://public.slidesharecdn.com/v2/images/profile-picture.png con ngÆ°Æ¡Ì€i Ä‘Æ¡n giản