1. Department of Accounting and Finance, College of Business and Economics, Mekelle University, Mekelle, Ethiopia
2. Department of Marketing Management, Mekelle University, Mekelle, Ethiopia
3. Department of Geography, Ghent University, Ghent, Belgium
4. Department of Engineering Management, University of Antwerp, Antwerp, Belgium
5. Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium