Yudintsev, A. Y., and G. N. Troshkina. “INVESTIGATION OF THE SIBERIAN FEDERAL DISTRICT OF THE RUSSIAN FEDERATION SOCIO-ECONOMIC DEVELOPMENT LEVEL FOR 2018-2021 USING THE METHODS OF MULTIVARIATE DATA ANALYSIS”. Economics Profession Business, no. 2, June 2023, pp. 140-5, doi:10.14258/epb202330.