/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: quyetdoduy9 https://cdn.slidesharecdn.com/profile-photo-quyetdoduy9-48x48.jpg?cb=1523469272 Sẽ chẳng có cái gì là cái gì khi ta không coi nó là cái gì!