Horsfall Jnr., M. and Spiff, A. I. (2004) “Studies on the effect of pH on the sorption of Pb2+ and Cd2+ ions from aqueous solutions by Caladium bicolor (Wild Cocoyam) biomass”, Electronic Journal of Biotechnology. Valparaíso, Chile, 7(3), pp. 0–0. Available at: https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v7n3-8 (Accessed: 19 September 2024).