Purnomo, C.W., and S. Z. Qiao. “Functionalized Mesoporous Silica Utilization for VOCs Adsorption”. ASEAN Journal of Chemical Engineering 7, no. 1 (December 31, 2007): 43-48. Accessed July 17, 2024. https://journal.ugm.ac.id/v3/AJChE/article/view/7674.