/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: luongket https://public.slidesharecdn.com/v2/images/profile-picture.png kh担ng th畛� thay ��畛�i qu叩 kh畛� ph畉�n ��畉�u hi畛�n t畉�i hy v畛�ng 畛� t動董ng lai