/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: thancong9 https://public.slidesharecdn.com/v2/images/profile-picture.png 1 th畉�ng ng畛�c ��鱈ch th畛�c nh動ng th担ng minh ��畛�t xu畉�t th動畛�ng xuy棚n :D