/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: dangtrang90hvnh https://public.slidesharecdn.com/v2/images/profile-picture.png Th畉�t s畛� kh担ng th畛� vi畉�t h畉�t v畛� n坦, ����nh kh担ng vi畉�t g狸 cho ��畛� u畛�ng c担ng =)) !!!