/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: huunin02 https://cdn.slidesharecdn.com/profile-photo-huunin02-48x48.jpg?cb=1523176168 there's nothing, nhìn cái rì mà nhìn @@