MŁYŃSKA, Anna; CHMIELOWSKI, Krzysztof. The changes of nitrogen content during sewage treatment : A study of a two-stages wastewater treatment plant. Journal of Water and Land Development, [S. l.], v. 61, n. 61, p. 106–114, 2024. DOI: 10.24425/jwld.2024.150264. Disponível em: https://wydawnictwo.pan.pl/index.php/jwld/article/view/4928. Acesso em: 20 oct. 2026.