López-Solis, C.L. et al. 2020. Selective gold extraction using membranes based on a new polymeric material with complex active sites. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales. 44, 172 (Sep. 2020), 814–827. DOI:https://doi.org/10.18257/raccefyn.938.