Copaja, S. V., and F. Muñoz. “HEAVY METALS RISK ASSESSMENT OF TAILINGS COLLECTED FROM ANDACOLLO CITY, NORTHEN CHILE”. Journal of the Chilean Chemical Society, Vol. 67, no. 4, Jan. 2023, pp. 5674-81, https://jcchems.com/index.php/JCCHEMS/article/view/2128.