1. Department of Electrical & Electronic Engineering, Faculty of Engineering and Technology, University of Buea-Republic of Cameroon.
2. Department of Electrical & Electronic Engineering, Faculty of Engineering and Technology, University of Buea-Republic of Cameroon
3. Faculty of Engineering and Technology of the University of Buea, in Cameroon.
4. Power System, University of Dschang – Cameroon.
5. University of Claude Bernard Lyon