/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: PhongNguyn28 https://public.slidesharecdn.com/v2/images/profile-picture.png M畛�i 動畛�c m董 ��畛�u tr畛� th��nh hi畛�n th畛�c trong hi畛�n t畉�i.