/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: vietphanvan35 https://public.slidesharecdn.com/v2/images/profile-picture.png C畉�p 3 Nguy畛�n ��畛�c C畉�nh ��畉�i h畛�c KHTN H�� N畛�i C担ng ngh畛� Sinh h畛�c K41