Londar, Serhii, and Liudmila Kozarezenko. “Modeling of the Excise Taxation Influence on Components of Human Potential”. Oeconomia Copernicana 5, no. 4 (December 31, 2014): 95–116. Accessed January 18, 2026. https://oeconomia.pl/index.php/oc/article/view/271.