1. University of Bucharest, Faculty of Geography, Department of Human and Economic Geography, Bucharest, ROMANIA University of Bucharest, Romanian Young Academy, Bucharest, ROMANIA
2. University of Bucharest, Faculty of Geography, Department of Human and Economic Geography, Bucharest, ROMANIA
3. University of Bucharest, Faculty of Business and Administration, Bucharest, ROMANIA
4. University of Bucharest, Faculty of Geography, Department of Regional Geography and Environment, Bucharest, ROMANIA