Błażejczyk-Majka, Lucyna, and Radosław Kala. “Labour Forceas a Factor Improving Efficiency of Agricultural Economic Activity in the EU”. Studia Historiae Oeconomicae 30 (December 15, 2012): 71–91. Accessed November 24, 2024. https://pressto.amu.edu.pl/index.php/sho/article/view/28946.