%0 Journal Article %T Determination of a promising assortment of hotel services in conditions of uncertainty and risk %A Matushevskaya, E.A. %A Poddubnaya, E.S. %K hotel business, theory of fuzzy sets, economic and mathematical model, range of services, perspective, conditions of uncertainty, risk %J Journal of economic studies %D 2020 %N 6 %P 5 %I INFRA-M Academic Publishing LLC.