1. Kyiv National University of Technologies and Design, Kyiv, UKRAINE
2. Department of Economic Cybernetics and Marketing, Kyiv National University of Technologies and Design, Kyiv, UKRAINE
3. Research Sector, Sumy State Pedagogical University named after AS Makarenko, UKRAINE
4. Department of Business Economics and Administration, Sumy State Pedagogical University named after AS Makarenko, UKRAINE