Wajszczuk, Karol, and Witold Wielicki. “The Level and Structure of Logistics Costs in Great Area Agricultural Enterprises”. Journal of Agribusiness and Rural Development 3, no. 359 (December 31, 2004): 195-203. Accessed May 2, 2024. http://www1.up.poznan.pl/jard/index.php/jard/article/view/1031.