Ngernyen, Yuvarat, and Khanita Kamwilaisak. “Activated carbon from Thailand’s biomass: A review literature”. Engineering and Applied Science Research 40, no. 2 (June 24, 2014): 267–283. accessed September 23, 2026. https://ph01.tci-thaijo.org/index.php/easr/article/view/19107.