/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: quankoi https://cdn.slidesharecdn.com/profile-photo-quankoi-48x48.jpg?cb=1523664089 Coi izwebz là thầy. Coi Google là thần thánh :))