Sivakumar, K.K., C. Balamurugan, D. Ramakrishnan, and M.S. Dheenadayalan. “Heavy Metal Removal from Aqueous Solution by Tamarind and Neem Leaves”. Asian Journal of Chemistry 24, no. 10 (May 14, 2012): 4686–4688. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/9621.