Lozada, N., V. Carrizales, E. Gutiérrez, and H. Lugo. “Cyanide Removal by the Biological Chemical Treatment of Effluents in a Refinery”. Rev. Téc. Fac. Ing. Univ. Zulia, Vol. 19, no. 3, 1, https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5512.