1. School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal, Pulau Pinang, Malaysia
2. School of Textile and Garment, Anhui Polytechnic University, Wuhu, China
3. Faculty of Engineering and Built Environment, Department of Mechanical and Materials Engineering, Universiti Kebangsaan Malaysia, Bangi, Malaysia
4. School of Chemical Sciences, Universiti Sains Malaysia, Penang, Malaysia