BezverbnyV. А., N. Y. Mikryukov, T. R. Miryazov, and LukashenkoE. А. ’Natural Population Change in Russian Regions: Factors, Dynamics, Prospects’. DEMIS. Demographic Research, Vol. 3, no. 4, Dec. 2023, pp. 37-58, doi:https://doi.org/10.19181/demis.2023.3.4.3.