1. Faculty Business and Management, Universiti Teknologi MARA Sarawak, Kota Samarahan, Sarawak, Malaysia
2. Faculty of Computer Science and Information Technology, Universiti Putra Malaysia, Serdang, Malaysia
3. College of Computing, Informatics and Mathematics, Universiti Teknologi MARA Sarawak, Kota Samarahan, Sarawak, Malaysia
4. Swinburne University of Technology, Sydney, Australia