/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: duongminhngoc https://public.slidesharecdn.com/v2/images/profile-picture.png "��達 mang ti畉�ng 畛� trong tr畛�i ��畉�t, Ph畉�i c坦 danh g狸 v畛�i n炭i s担ng."