1. Faculty of Engineering Universiti Putra Malaysia Serdang Selangor Malaysia
2. Institute of Ecosystem Science Borneo, Universiti Putra Malaysia Bintulu Campus Bintulu Sarawak Malaysia
3. Chemical Engineering Department, Faculty of Engineering Universiti Teknologi PETRONAS Perak Malaysia
4. Faculty of Plantation and Agrotechnology Universiti Teknologi MARA Sarawak Branch Mukah Campus Mukah Sarawak Malaysia
5. School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Johor Malaysia
6. Research Center for Chemical Defence University Pertahanan Nasional Malaysia Kuala Lumpur Malaysia
7. Asian Development College for Community Economy and Technology Chiang Mai Rajabhat University Chiang Mai Thailand