Adamski, M. (2009) “PROFITABILITY OF MATERIAL FACTORS OF PRODUCTION IN MILK PRODUCING FARMS IN THE YEARS 2004-2006”, Journal of Agribusiness and Rural Development, 13(3), pp. 5-12. Available at: http://www1.up.poznan.pl/jard/index.php/jard/article/view/868 (Accessed: 29March2024).