/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: XuynXXn1 https://public.slidesharecdn.com/v2/images/profile-picture.png nh但n t畛� t畛� s叩t,k畉� 叩c gi��u sang quy畉�t s畛�ng 叩c cho ��畛�i n坦 sang