/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ThThchn https://public.slidesharecdn.com/v2/images/profile-picture.png Th鱈ch 畛�n ��畛�nh, h董i b畉�o th畛�, th鱈ch quen thu畛�c, ng畉�i thay ��畛�i :) 働畛�c m董 nh畛� th担i: ai c滴ng c坦 sheet nh畉�c ��畛� ch董i :p