Popuri, S. R., Jammala, A., Suresh Reddy, K. V. N., & Abburi, K. (2007). Biosorption of hexavalent chromium using tamarind (Tamarindus indica) fruit shell-a comparative study. Electronic Journal of Biotechnology, 10(3), 0–0. Retrieved from https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v10n3-11