/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: vuhang912 https://cdn.slidesharecdn.com/profile-photo-vuhang912-48x48.jpg?cb=1523509561 thay ��畛�i theo th畛�i ti畉�t, nghe nh畉�c theo t但m tr畉�ng, l��m vi畛�c theo c畉�m h畛�ng