Kucher M. М., Kolot O. О., Razinkova М. Y., and O. V. Sabirov. “INTRA-ECONOMIC CALCULATION IN THE HOTEL AND RESTAURANT BUSINESS: STRATEGIC ORGANIZATIONAL MODEL”. Systems and Technologies, Vol. 72, no. 2, May 2026, pp. 402-9, doi:10.32782/2521-6643-2026-2-72.49.