WALCZAK-KOWALIK, Beata. Model of administrative and legal regulation and the water and sewage sector. Studia Iuridica Toruniensia, [S. l.], v. 28, p. 311–332, 2021. DOI: 10.12775/SIT.2021.016. Disponível em: https://apcz.umk.pl/SIT/article/view/35761. Acesso em: 4 feb. 2025.