/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: sonhoanghaihoang https://public.slidesharecdn.com/v2/images/profile-picture.png +) B畉�T ��畛�NG TR働畛�C NH畛�NG NGO畉�I C畉�NH ��畉�Y QUY畉�N R敵, C�� L�� T働畛�NG GI��C NG畛�, XUY��N SU畛�T TH畛�I GIAN. +) B��NH TH畉�N TR働畛�C NGH畛�CH C畉�NH, T��M THI畛�N ��畛�NH