@article{Demchenko2025the, author={Demchenko, M.V. and Podueva, O.N. and Veremeenko, O.S. and Potekhin, P.D.}, title={THE EFFICIENCY OF SERVICE SECTOR ORGANIZATIONS: THE ESSENCE AND APPROACHES}, journal={Trade, service, food industry}, publisher={Siberian Federal University}, year={2025}, pages={253-264}, volume={5}, issue={3}, }