Lykholat, O. A., Vyshnikina, O. V., & Apalkova, D. K. (2023). DIVERSIFICATION OF THE ACTIVITY OF THE HOTEL AND RESTAURANT ENTERPRISE AS A WAY OF INCREASING COMPETITIVENESS. Systems and Technologies, 65(1), 141-146. https://doi.org/10.32782/2521-6643-2023.1-65.17