/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ThyNguyn102 https://cdn.slidesharecdn.com/profile-photo-ThyNguyn102-48x48.jpg?cb=1523423078 Ä‘Æ¡n giản là k có gì để nói