KŁOS, L. The Level of Water and Sewage Infrastructure as an Important Element of Regional Development. Regional Barometer. Analyses & Prognoses, [S. l.], n. 2 (28), p. 115–122, 2012. DOI: 10.56583/br.1246. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1246. Acesso em: 1 jul. 2024.