/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: vinhtoanngo https://public.slidesharecdn.com/v2/images/profile-picture.png Nh動畛�c ��i畛�m: R畉�t ��畉�p trai c嘆n 働u ��i畛�m: C坦 r畉�t nhi畛�u nh動畛�c ��i畛�m