phong van nu thi si,nha bao bi kien 21,1ty vi viet bai dau tranh chong tham nhung

http://danlambao.wordpress.com/2010/10/29/ph%e1%bb%8fng-v%e1%ba%a5n-n%e1%bb%af-thi-si-nha-bao-b%e1%bb%8b-ki%e1%bb%87n-241-t%e1%bb%b7-vi-vi%e1%ba%bft-bai-d%e1%ba%a5u-tranh-ch%e1%bb%91ng-tham-nhung/