Vargas, C., Navarro, P., Araya, E., Pavez, F., & Alguacil, F. J. (2006). Recovery of gold from solutions with ammonia and thiosulfate using activated carbon. Revista De Metalurgia, 42(3), 222–233. https://doi.org/10.3989/revmetalm.2006.v42.i3.22