Rymuza, K., and A. Bombik. “COOPERATIVE BANKS LOCATED IN SIEDLCE REGION SATISFYING FINANCIAL NEEDS OF FARMERS”. Acta Scientiarum Polonorum. Oeconomia, Vol. 9, no. 3, Sept. 2010, pp. 255-64, https://js.wne.sggw.pl/index.php/aspe/article/view/3925.