Tappoon, M., Phanawadee, P., & Chareonpanich, M. (2015). Catalytic Activity of Iron on ZSM-5 Zeolite Support Prepared from Lignite Fly Ash for CO2 Hydrogenation. Engineering and Applied Science Research, 32(3), 419–428. retrieved from https://ph01.tci-thaijo.org/index.php/easr/article/view/42346