1. Solar Energy Research Institute, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
2. Independent Researcher, Razavi 16, 91777-35843 Mashhad, Iran
3. Center of Research Excellence in Renewable Energy Research Institute, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Saudi Arabia
4. Institute of Sustainable Energy, Universiti Tenaga Nasional, 43000 Kajang, Selangor, Malaysia