/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: khoatran545849 https://public.slidesharecdn.com/v2/images/profile-picture.png N畉�u ch畛� c嘆n m畛�t ng��y ��畛� s畛�ng Ch畛�t nh畉�n ra cu畛�c ��畛�i v畉�n ��畉�p Ph畉�i ch��ng ta c坦 l炭c v畛�i v��ng N棚n ra ��i ch動a ��動畛�c b狸nh an ?