LORÍA-NARANJO, M. Protozoos and metazoos present in two wastewater treatment systems and their relationship with the Sludge Biotic Index. Revista de Biología Tropical, [S. l.], v. 73, n. 1, 2025. DOI: 10.15517/rev.biol.trop.v73i1.59675. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/59675. Acesso em: 21 feb. 2025.