Júnior, Ariston da Silva Melo, Kleber Aristides Ribeiro, and Estevão Stutz Gonçalves. “Biochemical Oxygen Demand (COD) Performance in Slow Filtration Technology”. Seven Editora (March 6, 2024): 454–467. Accessed January 11, 2026. https://sevenpubl.com.br/editora/article/view/3731.