/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: duchoangkien https://public.slidesharecdn.com/v2/images/profile-picture.png TH��CH TH��NH TH畉�T,KH��NG L畛�A G畉�T,S畛�NG C�� T��M ,THANH TH畉�N V畛�I ��畛�I