Horsfall Jnr., M., Ogban, F. E., & Akporhonor, E. E. (2006). Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions. Electronic Journal of Biotechnology, 9(2), 0–0. Retrieved from https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v9n2-9