Śmiglak, M., and A. Zielińska. “THE ROLE OF INFORMATION IN PRICE RISK MANAGEMENT IN AGRICULTURE, IN SELECTED COMMUNES IN WIELKOPOLSKA”. Acta Scientiarum Polonorum. Oeconomia, Vol. 4, no. 2, Dec. 2005, pp. 77-82, https://js.wne.sggw.pl/index.php/aspe/article/view/3663.