DORYŃ, Wirginia; WAWRZYNIAK, Dorota. Heterogeneity in Air Pollution Levels and Their Techno‑economic Determinants: A Cluster Analysis of the EU–27. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 27, n. 3, p. 47–66, 2024. DOI: 10.18778/1508-2008.27.21. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/23853. Acesso em: 12 apr. 2025.