/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: huyentrang9809 https://public.slidesharecdn.com/v2/images/profile-picture.png ��畛�ng th畛� d��i, h達y v動董n vai b動畛�c t畛�i. B湛n d動畛�i ch但n nh動ng n畉�ng 畛� tr棚n ��畉�u ���