1. School of Bioprocess Engineering; Universiti Malaysia Perlis; Arau Perlis Malaysia
2. Centre of Excellence for Biomass Utilization; School of Bioprocess Engineering; Universiti Malaysia Perlis; Arau Perlis Malaysia
3. Faculty of Engineering Technology; Department of Chemical Engineering Technology; Universiti Malaysia Perlis; Padang Besar Perlis Malaysia
4. School of Chemical Engineering, Engineering Campus; Universiti Sains Malaysia; Nibong Tebai Penang Malaysia