TY JOUR TI The Impact of Digital Technologies on the Efficiency of Hotel Management KW smart hospitality KW integrated smart management systems KW business process efficiency KW investment attractiveness KW digital transformation KW return on investment JO Scientific Research and Development. Economics of the Firm AU Koval'chuk, A.P. AU Yarmomedov, I.V. PY 2026 IS 15 PB INFRA-M Academic Publishing LLC.