VÁSQUEZ PEREA, Yenni Mirella; VILLAMIL POVEDA, Jean Carlos; SÁNCHEZ LEAL, Ligia Consuelo; LANCHEROS DIAZ, Ana Graciela. Evaluation of a system of fixed media support for a film capable of reducing microbial Cr (VI) of tannery sewage sludge. NOVA Biomedical Sciences Journal, Colombia,CO, v. 12, n. 21, p. 57–66, 2014. DOI: 10.22490/24629448.996. Disponível em: https://hemeroteca.unad.edu.co/index.php/nova/article/view/996. Acesso em: 5 dec. 2025.