1. Polytechnic School of Abomey-Calavi (EPAC),Department of Electrical Engineering,Abomey-Calavi,Benin
2. National University of Science, Technology, Engineering and Mathematics of Abomey (UNSTIM),Department of ENSET-Lokossa,Abomey,Benin
3. Accra Technical University,Department of Electrical/Electronic Engineering,Accra,Ghana