/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: HinMarc https://cdn.slidesharecdn.com/profile-photo-HinMarc-48x48.jpg?cb=1697768641 Cung song ngÆ° tá»› là rắn có tý Ä‘á»™c thôi :-D