Kwiatkowski, Eugeniusz, and Agnieszka Krzętowska. “Youth Unemployment in the Countries of Central and Eastern Europe. Is Okun’s Law Applicable?”. Comparative Economic Research. Central and Eastern Europe 29, no. 1 (March 30, 2026): 165–188. Accessed October 28, 2026. https://czasopisma.uni.lodz.pl/CER/article/view/29115.