/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: BiTrung1 https://cdn.slidesharecdn.com/profile-photo-BiTrung1-48x48.jpg?cb=1523140227 trên răng dÆ°á»›i ... >)