AMATYA, I. M.; KANSAKAR, B. R.; TARE, V.; FIKSDAL, L. Role of pH on biological Nitrification Process. Journal of the Institute of Engineering, [S. l.], v. 8, n. 1-2, p. 119–125, 2011. DOI: 10.3126/jie.v8i1-2.5102. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/5102. Acesso em: 28 mar. 2024.