Ahalya, N., R. Kanamadi, and T. Ramachandra. “Biosorption of Chromium (VI) from Aqueous Solutions by the Husk of Bengal Gram (Cicer Arientinum)”. Electronic Journal of Biotechnology, vol. 8, no. 3, Dec. 2005, pp. 0-0, https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v8n3-10.