/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ngoctrung371 https://public.slidesharecdn.com/v2/images/profile-picture.png Bi畉�t ��但u b畉�t ng畛�...mai l棚n b��n th畛� ��n x担i @@!