1. Department of Labour Resources and Entrepreneurship, National University of Water and Environmental Engineering, Soborna 11, 33-028 Rivne, Ukraine
2. Faculty of Economics and Entrepreneurship, Pan-European University, Tomášikova 20, 811 05 Bratislava, Slovakia
3. Research Center for Sustainability and Competitiveness, Budapest Metropolitan University, Nagy Lajos király útja 1-9, 1148 Budapest, Hungary
4. Department of Applied Sustainability, Széchenyi István University, Egyetem tér 1, 9026 Győr, Hungary