/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NguyenTuNga https://public.slidesharecdn.com/v2/images/profile-picture.png L�� 1 con ng動畛�i kh坦 t鱈nh,nh動ng tr畛� nh畛�ng l炭c kh坦 t鱈nh ra th狸 l炭c n��o c滴ng d畛�. M�� n畉�u t鱈nh nh動 th畉� th狸 tr畛� nhi畛�u h董n c畛�ng.