/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: langtham1253 https://public.slidesharecdn.com/v2/images/profile-picture.png ngo��i ��畉�p trai hi畛�n l��nh t畛�t b畛�ng ra th狸 k c坦 g狸 n畛�i b畉�t :D