HALKOS, G. E. Testing the existence of an environmental Knznets Curve for sulfur using panel data models. Το Βήμα των Κοινωνικών Επιστημών, [S. l.], v. 10, n. 37, 2024. Disponível em: https://journals.lib.uth.gr/index.php/tovima/article/view/2035. Acesso em: 24 νοεμβρίου. 2024.