For citations:

Bikeeva M.V., Sysoeva E.A. DEA-Model for Evaluating the Effectiveness of the National Project Implementation “Demography” in the Territory of the Volga Federal District. Statistics and Economics. 2023;20(3):4-13. (In Russ.) https://doi.org/10.21686/2500-3925-2023-3-4-13