/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: baouyenlai https://public.slidesharecdn.com/v2/images/profile-picture.png Co gang het minh. C叩m 董n ��畛�i m畛�i s畛�m mai th畛�c d畉�y Ta c坦 th棚m ng��y n畛�a ��畛� y棚u th動董ng. (Nh動 th畉� l�� h畉�nh ph炭c l畉�m ��畉�y)