Mesjasz, Czesław, and Lidia Mesjasz. “Application of a Systems Approach to Studying Global Socio-Economic Inequality”. Central and Eastern European Economic Review, no. 2(21) (January 31, 2020): 43–59. Accessed June 25, 2026. https://ceeer.uek.krakow.pl/index.php/aoc/article/view/1845.