Suwannachot, Sorn, and Warawut Suadee. “The Development of Coconut-Based Activated Carbon Impregnation to Adsorb Mixture of Organic and Inorganic Gases”. Science & Technology Asia 22, no. 4 (December 1, 2017): 27–33. Accessed April 19, 2024. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/109571.