/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: doilangthang https://public.slidesharecdn.com/v2/images/profile-picture.png Nh畛� ��畉�n l畛�n hi畛�n l��nh n棚n ko ��n ch董i qu畉�y ph叩 g狸 ��畛� vi畉�t c畉�.