/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: HongNguyn64 https://public.slidesharecdn.com/v2/images/profile-picture.png Tr叩i tim l畉�nh kh担ng c畉�n s動畛�i 畉�m ��担i ch但n n��y t畛� bi畉�t ��畛�ng l棚n??????????