Ahmad Khan, Nasim, Shaliza Ibrahim, and Piarapakaran Subramaniam. “Elimination of Heavy Metals from Wastewater Using Agricultural Wastes As Adsorbents”. Malaysian Journal of Science 23 (December 30, 2004): 43–51. Accessed November 20, 2024. https://samudera.um.edu.my/index.php/MJS/article/view/9038.