/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: HungPham16 https://cdn.slidesharecdn.com/profile-photo-HungPham16-48x48.jpg?cb=1523169518 Ng��y 30/9/2012 l�� c畛�t m畛�c ��叩nh d畉�u thay ��畛�i c畉� cu畛�c ��畛�i t担i.T畛� ng��y ��坦 t担i m畛�i th畛�c s畛� ��ang s畛�ng ch畛� kh担ng ph畉�i t畛�n t畉�i.