Bigat, Sylvester, and ZARIZI AWANG. “The Production of Charcoal from Bamboo, Coconut Shell, and Palm Shell As Activated Carbon”. Progress in Engineering Application and Technology 2, no. 2 (December 2, 2021): 055–064. Accessed August 15, 2026. https://periodical.uthm.edu.my/index.php/peat/article/view/862.