1. Nile University of Nigeria,Department of Mechanical Engineering,Abuja,FCT,Nigeria
2. Nile University of Nigeria,Department of Mechanical Engineering,Abuja,Nigeria
3. University of Ilorin,Industrial Chemistry Department,Ilorin,Nigeria
4. Landmark University,Department of Mechanical Engineering,Kwara,Nigeria
5. Nile University of Nigeria,Department of Civil Engineering,FCT,Abuja,Nigeria
6. University of florin,Department of Materials and Metallirgical Engineering,florin,Nigeria