1. Department of Business and Tourism Management, Izmail State University of Humanities, Izmail, Ukraine
2. Department of Business Administration, Politeknik Negeri Bandung, Bandung, Indonesia
3. Department of Accounting and Taxation, Interregional Academy of Personnel Management, Kyiv, Ukraine
4. Department of Geography of Ukraine, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
5. Department of Business Administration, Politeknik Negeri Bali, Bali, Indonesia