/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ThnTiuH https://cdn.slidesharecdn.com/profile-photo-ThnTiuH-48x48.jpg?cb=1523140420 y棚u m��u ��en v�� thik s畛� huy畛�n b鱈, m棚 t鱈n nh動ng ko cu畛�ng, v畉�n y棚u khoa h畛�c