/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hoangminhduong092 https://public.slidesharecdn.com/v2/images/profile-picture.png l�� ng動畛�i hay n坦i, suy ngh挑 nhi畛�u, nguy棚n t畉�c