Sheiko , Yuliia, and Svitlana Sydoruk. “INNOVATIVE OPTIMIZATION OF BUSINESS PROCESSES AS A FACTOR FOR INCREASING THE ECONOMIC EFFICIENCY OF HOTEL AND RESTAURANT ENTERPRISES”. Current Problems of Sustainable Development, vol. 2, no. 5, Aug. 2025, pp. 146-57, https://doi.org/10.60022/2(5)-18S.