1. Enzyme and Microbial Technology Research Centre, Universiti Putra Malaysia, Selangor, Malaysia
2. Department of Biochemistry, Universiti Putra Malaysia, Selangor, Malaysia
3. Department of Microbiology, Universiti Putra Malaysia, Selangor, Malaysia
4. Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia, Selangor, Malaysia