/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: doquyanh https://public.slidesharecdn.com/v2/images/profile-picture.png Cu畛�c s畛�ng lu担n 畉�n ch畛�a ��i畛�u ng畉�c nhi棚n nho nh畛�.. =)) ��i畛�u n��o ��畉�n r畛�i s畉� ��畉�n th担i..!!