M. Saldaña, F. Rodríguez, A. Rojas, K. Pérez, and H. J. Angulo Palma, “Development of an empirical model for copper extraction from chalcocite in chloride media”, Hem Ind, vol. 74, no. 5, pp. 285–292, Nov. 2020, doi: 10.2298/HEMIND200424031S.