/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DuynTrn3 https://cdn.slidesharecdn.com/profile-photo-DuynTrn3-48x48.jpg?cb=1523956960 S畛�ng theo 2 quy t畉�c Quy t畉�c 1: M狸nh ph畉�i th��nh c担ng Quy t畉�c 2: Kh担ng bao gi畛� ��動畛�c qu棚n quy t畉�c th畛� nh畉�t