Rojas-Vargas, A., A. Ricardo-Riverón, M. Penedo-Medina, and E. Ojeda-Armaignac. “Nickel Removing by Electrocoagulation of the System Ni(II)-NH3-CO2-SO2-H2O With Aluminum Electrode”. Chemical Technology, Vol. 40, no. 2, July 2020, pp. 363-82, https://tecnologiaquimica.uo.edu.cu/index.php/tq/article/view/5155.