Innovations in Public Administration: A Bibliometric Analysis von V. V. Vinnikova, V. A. Vinnikova

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Trends in the Development of Collective Accommodation in the Kharkiv Region in a Crisis von V. V. Vinnikova, V. A. Vinnikova

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Investment Quality Assurance of Hotel Services: The Regional Aspect von V. V. Vinnikova, V. A. Vinnikova

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