1. Department of Mechanical Engineering, Faculty of Engineering, University of Maiduguri, Maiduguri, Nigeria
2. Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, Selangor, Malaysia
3. Department of Biological and Agricultural Engineering, Universiti Putra Malaysia, Selangor, Malaysia
4. Radiation Processing Technology, Malaysian Nuclear Agency, Bangi-Kajang, Malaysia