/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: gaulon3503 https://public.slidesharecdn.com/v2/images/profile-picture.png Hay qu棚n, h畉�u ��畉�u, xui x畉�... C畉� ��畛�i ch畉�ng bao gi畛� tr叩nh kh畛�i !