Mukti, R. R., Y. Kamimura, W. Chaikittisilp, H. Hirahara, A. Shimojima, M. Ogura, K. K. Cheralathan, S. P. Elangovan, K. Itabashi, and T. Okubo. “Hierarchically Porous ZSM-5 Synthesized by Nonionic- and Cationic-Templating Routes and Their Catalytic Activity in Liquid-Phase Esterification”. Journal of Mathematical and Fundamental Sciences, vol. 43, no. 1, July 2013, pp. 59-72, doi:10.5614/itbj.sci.2011.43.1.6.