Muhammad Faisal, Asri Gani, and Abrar Muslim. “CADMIUM ADSORPTION ONTO NAOH ACTIVATED PALM KERNEL SHELL CHARCOAL”. GEOMATE Journal 17, no. 64 (December 28, 2019): 252–260. Accessed April 20, 2024. https://geomatejournal.com/geomate/article/view/577.