Szczepaniak, Daniela. “The Quantitative Analysis of Changes in Human Capital Diversity in Voivodeships Based on Markov Chains”. Studia Prawno-Ekonomiczne 121 (December 19, 2021): 263–280. Accessed January 15, 2025. https://ojsltn.uni.lodz.pl/Studia-Prawno-Ekonomiczne/article/view/1553.