1. Fethiye Faculty of Business Administration, Mugla Sitki Kocman University, Mugla 48300, Türkiye
2. Graduate School of Service and Trade, Institute of Industrial Management, Economics and Trade, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia
3. Department of National Economics and Production Organization, State Institute of Economics, Finance, Law and Technology, Gatchina 188300, Russia