Jarmołowicz, Wacław, and Łukasz Ziębakowski. “Labor Costs and Their Conditions in Poland and the European Union – a Comparative Perspective”. Studia Prawno-Ekonomiczne 107 (December 9, 2018): 281–303. Accessed January 16, 2025. https://ojsltn.uni.lodz.pl/Studia-Prawno-Ekonomiczne/article/view/196.