WOŁKONOWSKI, Jarosław. The Beta‑Convergence of the EU–10 Countries and Regions in the Years 2004–2015. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 22, n. 2, p. 87–104, 2019. DOI: 10.2478/cer-2019-0014. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/5275. Acesso em: 7 dec. 2025.