1. Department of Environmental Science, Faculty of Environmental Science and Engineering, Babes-Bolyai University, Cluj-Napoca, Romania
2. Doctoral School “International Relations and Security Studies”, Babes-Bolyai University, Cluj-Napoca, Romania
3. Department of Economics and Rural Development, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
4. Department of Hospitality Services, Faculty of Business, Babes-Bolyai University, Cluj-Napoca, Romania