/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: NgoLanAnh https://cdn.slidesharecdn.com/profile-photo-NgoLanAnh-48x48.jpg?cb=1611024016 Nguy hiểm, cá»±c kì nguy hiểm ;;)