BARNABÁS, C. .; JÓZSEF, B. Waste treatment tasks in Northern Hungary. Strategic Issues of Northern Hungary, [S. l.], v. 3, n. 02, p. 79–105, 2006. Disponível em: https://ojs.uni-miskolc.hu/index.php/stratfuz/article/view/2625. Acesso em: 3 jul. 2024.