1. Faculty of Economics and Management, Center for Research and Studies in Management and Economics (CRSME), University of Dschang, Dschang, Cameroon
2. Faculty of Economics and Management, Dschang School of Economics and Management, University of Dschang, Dschang, Cameroon
3. Faculty of Economics and Management, Laboratory of Management Research, University of Dschang, Dschang, Cameroon
4. School of Economics, University of Johannesburg, Johannesburg, South Africa
5. Department of Economic & Data Science, New Uzbekistan University, Tashkent, Uzbekistan