1. Department of Chemistry, Kulliyyah of Science, International Islamic University Malaysia, Jalan Sultan Ahmad Shah, 25200 Kuantan, Pahang, Malaysia
2. Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
3. Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
4. Kulliyyah of Architecture & Environmental Design, International Islamic University Malaysia, Gombak, 53100 Kuala Lumpur, Selangor, Malaysia
5. Faculty of Artificial Intelligence, Universiti Teknologi Malaysia, 54100 Kuala Lumpur, Malaysia
6. Group Research and Technology, PETRONAS Research Sdn. Bhd., Bandar Baru Bangi 43000, Selangor, Malaysia
7. School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia