Ferrara de Giner, G., & Rodríguez Mora, F. (1). Biological nitrogen removal using combinated fixed-film and suspended reactors by intermittent operation. Revista Técnica Da Faculdade De Engenharia Da De Zulia, 32(3). Obtido de https://produccioncientificaluz.org/index.php/tecnica/article/view/6679