1. Department of Computing Universiti Pendidikan Sultan Idris, Tanjong Malim Perak Malaysia
2. Department of Computer Science, Computer Science and Mathematics College Tikrit University Tikrit 34001 Iraq
3. Informatics Institute for Postgraduate Studies (IIPS), Iraqi Commission for Computers and Informatics (ICCI) Tikrit University Baghdad Iraq
4. College of Engineering, IT and Environment Charles Darwin University NT 0909 Australia