Samadhi, T. W., Subagjo, S., Lismana, K. R. and Fuadi, K. (2013) “Synthesis of -Al2O3 Catalyst Support from Kaolin of Indonesian Origin”, Journal of Engineering and Technological Sciences, 43(2), pp. 113-126. doi: 10.5614/itbj.eng.sci.2011.43.2.3.