/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: phuonghao5787 https://public.slidesharecdn.com/v2/images/profile-picture.png bi畉�t m�� kh担ng th畛� l��m, l��m m�� kh担ng th畛� bi畉�t, th畉� m畛�i g畛�i l�� bi畉�t :))