Chanayotha, P., and S. Kajorncheappunngam. “Volatile Organic Compounds Adsorption Using Different Types of Adsorbent”. Engineering and Applied Science Research, vol. 41, no. 3, Oct. 2014, pp. 373-81, https://ph01.tci-thaijo.org/index.php/easr/article/view/22544.