Minta, S., & Tańska-Hus, B. (2009). Productivity and Efficiency of Economic Activity of the Lower Silesia’s Large Area Farms in Comparison with Other Large Area Farms in Poland. Journal of Agribusiness and Rural Development, 11(1), 169-176. Retrieved from http://www1.up.poznan.pl/jard/index.php/jard/article/view/864