/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: perterpen9 https://public.slidesharecdn.com/v2/images/profile-picture.png l�� m畛�t ng動畛�i kh叩 tr畉�m t挑nh. lu担n t畛�t b畛�ng quan ��i畛�m s畛�ng: h嘆a b狸nh b畉�t b畉�o ��畛�ng