1. Universiti Kuala Lumpur, Malaysian Institute of Chemical and Bioengineering Technology, Lot 1988 Kawasan Perindustrian Bandar Vendor, Taboh Naning, Alor Gajah, Melaka, Malaysia
2. School of Distance Education, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
3. School of Biological Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia