/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: banghauicn https://public.slidesharecdn.com/v2/images/profile-picture.png ��i畛�n tho畉�i th担ng minh. ��動a ng動畛�i vi畛�t ��畉�n v畛�i c担ng ngh畛�