Mohammed, HI, B Gutti, and BK Highina. “Evaluation of Dum Palm Kernel Activated Carbon in Chromium and Lead Adsorption from Synthetic Waste Water”. International Journal of Environment 5, no. 3 (September 16, 2016): 104–118. Accessed March 28, 2024. https://www.nepjol.info/index.php/IJE/article/view/15708.