Ahmad Khan, Nasim, Shaliza Ibrahim, and Piarapakaran Subramaniam. “Elimination of Heavy Metals from Wastewater Using Agricultural Wastes As Adsorbents”. Malaysian Journal of Science 23, no. 1 (April 29, 2004): 43–51. Accessed December 23, 2024. https://ajba.um.edu.my/index.php/MJS/article/view/8491.