/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hieujerrynguyen https://public.slidesharecdn.com/v2/images/profile-picture.png L�� 1 con k畉�t v畛�i ng動畛�i ra th��nh con ng動畛�i. 1 con ng動畛�i tuy kh担ng ��畉�p nh動ng th鱈ch s畛� l畉�nh l湛ng. 1 con ng動畛�i ch畛� bi畉�t 3 y畉�u t畛� ��n+ ng畛� +ch董i.