/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: KenNguyen9 https://public.slidesharecdn.com/v2/images/profile-picture.png khuy畉�t ��i畛�m l��m b畉�t c畛� chuy畛�n g狸 c滴ng r畉�t t畉�p trung b畛� qu棚n nh畛�ng th畛� xung quanh.