1. University of South Africa,College of Science, Engineering and Technology,Florida, Johannesburg,South Africa
2. Afe Babalola University,Department of Mechanical & Mechatronics Engineering,Ado,Nigeria
3. Landmark University,Mathematics Programme,Department of Physical Science,Omu-Aran,Nigeria
4. Landmark University,Department of Mechanical Engineering,Omu-Aran,Nigeria
5. Kampala International University,Department of Biological and Environmental Sciences,Kampala,Uganda