1. Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Tronoh, Perak, Malaysia
2. Department of Physics, University of Agriculture, Faisalabad, Pakistan
3. Department of Electrical Engineering, King Saud University, Riyadh, Saudi Arabia
4. Department of Physics, COMSATS Institute of Information Technology, Islamabad, Pakistan
5. Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Tronoh, Perak, Malaysia