/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: haumo https://public.slidesharecdn.com/v2/images/profile-picture.png cu畛�c ��畛�i l�� c畛�a ri棚ng t担i . T畛�n th畛�i gian v��o mi畛�ng thi棚n h畉� nhi畛�u r畛�i