/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: duythangcold https://public.slidesharecdn.com/v2/images/profile-picture.png Ba quy t畉�c ��董n gi畉�n trong cu畛�c s畛�ng : 1. N畉�u kh担ng theo ��u畛�i ��i畛�u b畉�n mu畛�n , b畉�n s畉� kh担ng bao gi畛� c坦 n坦 2. N畉�u b畉�n kh担ng h畛�i , c但u tr畉� l畛�i s畉� lu担n l�� KH��NG 3. N畉�u kh担ng b動畛�c ti畉�p , b畉�n s畉� ch畛� lu担n 畛� ch畛� ��坦 TaiLieu.Vn:anan386