1. Covenant University,Department of Computer and Information Sciences,Ota,Ogun State,Nigeria
2. Namibia University of Science and Technology,Department of Software Engineering,Windhoek,Namibia
3. Durban University of Technology,Faculty of Engineering and The Built Environment,Department of Electrical Power Engineering,South Africa
4. Department of Computer Science and Quantitative Methods,Clarksville,Tennesse,U.S.A