1. Department of World Economy and International Economic Relations, Odessa I. I. Mechnikov National University, Odessa, UKRAINE
2. International E-commerce and Hotel&Restaurant Business Department, V. N. Karazin Kharkiv National University, Kharkiv, UKRAINE
3. Department of Management and Military Economy, National Academy of National Guard of Ukraine, Kharkiv, UKRAINE
4. Department of International and Spanish Economics, University of Granada, Granada, Spain