1. College of Business Management and Accounting, Universiti Tenaga Nasional, Muadzam Shah 26700, Pahang, Malaysia
2. Institute of Energy Policy and Research (IEPRe), Universiti Tenaga Nasional, Putrajaya Campus, Jalan Ikram-Uniten, Kajang 43000, Selangor, Malaysia
3. UNITEN R&D Sdn Bhd (URND), Universiti Tenaga Nasional, Jalan Ikram-Uniten, Kajang 43000, Selangor, Malaysia
4. Department of Chemical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak, Malaysia
5. Teaching & Learning Centre (TLC), Universiti Tenaga Nasional, Putrajaya Campus, Jalan Ikram-Uniten, Kajang 43000, Selangor, Malaysia