1. Lee Kong Chian Faculty of Science and EngineeringUniversiti Tunku Abdul Rahman Kajang Selangor Malaysia
2. Faculty of Engineering and Information TechnologySouthern University College Skudai Johor Malaysia
3. Department of Chemical EngineeringNational Tsing Hua University Hsinchu Taiwan, R.O.C.
4. Faculty of Engineering and Green TechnologyUniversiti Tunku Abdul Rahman Kampar Perak Malaysia