1. Marketing and Business Administration Department, Taras Shevchenko National University of Kyiv, Ukraine
2. Business Administration, Marketing and Tourism Department, Kremenchuk Mykhailo Ostrohradskyi National University, Kremenchuk, Ukraine
3. Hotel and Restaurant Business Department, Kyiv National University of Trade and Economics, Kyiv, Ukraine
4. Tourism Department, Simon Kuznets Kharkiv National University of Economics, Kharkiv, Ukraine