/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: lannguyen779205 https://cdn.slidesharecdn.com/profile-photo-lannguyen779205-48x48.jpg?cb=1523460122 hi,ai mún bít thì pm cho tá»› naz.:)))))))))