1. Chemical Engineering Department, Faculty of Engineering, Ahmadu Bello University Zaria, Zaria 810107, Kaduna State, Nigeria
2. Department of Polymer Technology, Directorate of Polymer and Environmental Technology, Nigerian Institute of Leather and Science Technology, Zaria 810107, Kaduna State, Nigeria
3. Africa Centre of Excellence on New Pedagogies in Engineering Education, Ahmadu Bello University, Zaria 810107, Kaduna State, Nigeria