1. Nile University of Nigeria FCT,Department of Industrial Chemistry,Abuja,Nigeria
2. Nile University of Nigeria FCT,Department of Mechanical Engineering,Abuja,Nigeria
3. Nile University of Nigeria FCT,Department of Petroleum Engineering,Abuja,Nigeria
4. Landmark University,Department of Mechanical Engineering,Kwara,Nigeria
5. Nile University of Nigeria,Department of Petroleum and Gas Engineering,Abuja,Nigeria
6. University of Ilorin,Industrial Chemistry Department,Ilorin,Nigeria