MORLU G. F. STEVENS. Removal of Toxic Nitrate and Nitrite from Wastewater by Valuarized Fish Scales Waste Remains. Global Journal of Science Frontier Research, [S. l.], v. 17, n. B2, p. 25–30, 2017. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2112. Acesso em: 27 apr. 2024.