/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: tbnguyendanh https://public.slidesharecdn.com/v2/images/profile-picture.png Ng動畛�i l畉�c quan lu担n nh狸n ��動畛�c nh畛�ng c董 h畛�i trong t畛�ng kh坦 kh��n. S畛� thay ��畛�i c畛�a cu畛�c s畛�ng l�� ��i畛�u ko th畛� tr叩nh kh畛�i - Vi畛�c c畛�a ch炭ng ta ��董n gi畉�n l�� l畛�a ch畛�n c叩ch ��畛� v動畛�t qua m�� th担i.