/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ngoctoanluong52 https://cdn.slidesharecdn.com/profile-photo-ngoctoanluong52-48x48.jpg?cb=1523545856 Ban than chÆ°a co gi nhiêu nen chăng biet viet cai gi? Hoho