Ferrara de Giner, Griselda, y Felipe Rodríguez Mora. «Biological Nitrogen Removal Using Combinated Fixed-Film and Suspended Reactors by Intermittent Operation.». Rev. Téc. Fac. Ing. Univ. Zulia 32, no. 3 (1). Accedido junio 8, 2025. https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/6679.