Ivanova, Daria E., and Vyacheslav E. Ivanov. “Empirical Study of Wage Differentiation in the Context of Regional Specifics of the Russian Federation: Theoretical Approaches and Statistical Methods”. State and Municipal Management. Scholar Notes, no. 1, Jan. 2025, pp. 95-105, https://doi.org/10.22394/2079-1690-2025-1-1-95-105.