/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: tanghanh https://public.slidesharecdn.com/v2/images/profile-picture.png Tha��nh c担ng la�� m担味t qua�� tri��nh kh担ng pha��i ��i��ch ��棚��n! :-)