/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: sum06722 https://cdn.slidesharecdn.com/profile-photo-sum06722-48x48.jpg?cb=1523410040 yêu Ä‘Æ¡n giản, yêu sá»± tá»± nhiên.............