/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: thangupc https://public.slidesharecdn.com/v2/images/profile-picture.png S畛� ph畉�n l�� s畛� v畉�n ��畛�ng c畛�a quy lu畉�t kh叩ch quan trong m畛�i t動董ng t叩c v畛�i s畛� v畉�n ��畛�ng ch畛� quan c畛�a m畛�i ng動畛�i. N畉�u hai s畛� v畉�n ��畛�ng 畉�y h��i ho��, kh畛�p h畛�p v畛�i nhau th狸 s畛� ph畉�n ng動畛�i ��坦 t担t ��畉�p