1. Landmark University,Department of Mechanical Engineering,Omu-Aran,Kwara State,Nigeria
2. Federal University of Akure,Department of Metallurgical and Materials Engineering,Ondo State,Nigeria
3. Afe Babalola University,Department of Mechanical Engineering,Ado-Ekiti,Ekiti State,Nigeria
4. University of Johannesburg,Department of Mechanical Engineering Science,South Africa