/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: HongThNgc https://cdn.slidesharecdn.com/profile-photo-HongThNgc-48x48.jpg?cb=1523180542 ch畛� c畉�n c坦 s畛� quy畉�t t但m m畛�i vi畛�c s畉� th��nh c担ng