/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: GuNguyn2 https://public.slidesharecdn.com/v2/images/profile-picture.png ��畛�ng c畛� h辿t v��o tai th畉�ng ��i畉�c!:-j ��畛�ng l��m xi畉�c tr動畛�c m畉�t th畉�ng m湛:-j ��畛�ng t畛� ra ngu tr動畛�c m畉�t ng動畛�i nguy hi畛�m:)):)):))