/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: namnhockprocr7 https://cdn.slidesharecdn.com/profile-photo-namnhockprocr7-48x48.jpg?cb=1541380117 Nguyá»…n Hoài Nam