1. Department of Computer Science and Information Systems, Botswana International University of Science and Technology, Palapye, Botswana
2. Department of Computer Applications, Saveetha College of Liberal Arts and Sciences, Saveetha Institute of Medical and Technical Sciences Deemed University, Thandalam, Chennai, India
3. Department of Electronics and Communication, Karpagam Academy of Higher Education, Coimbatore, India
4. Faculty of Information and Communication Technology, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Melaka, Malaysia