1. College of Graduate Studies, Universiti Tenaga Nasional (UNITEN),Malaysia
2. Institute of Energy Infrastructures, Universiti Tenaga Nasional (UNITEN),Malaysia
3. Universitas Sriwijaya,Computer Networking & Information System,Faculty of Computer Science Department,Palembang,Indonesia
4. School of Computer Science, University of Nottingham Malaysia Campus (UNMC),Malaysia