1. Russian Federation. Strategy of spatial development of the Russian Federation for the period until 2025 (approved by the order of the Government of the Russian Federation of February 13, 2019, No. 207-r). https://www.garant.ru/products/ipo/prime/doc/72074066/ (accessed 30. 09. 2023). (In Russian).
2. Open Journal. Industrial Production Index (IPI) – meaning, peculiarities of calculation, IPI formula. https://journal.open-broker.ru/economy/indeks-promyshlennogo-proizvodstva/ (accessed 30. 09. 2023). (In Russian).
3. Grebenkin I.V. Trends in Industrial Specialization and Development Dynamics in the Russian Regions. Economy of Regions. 2020;1(16):69–83. (In Russian). doi: 10.17059/2020-1-6
4. Gataullin R.F., Karimov A.G. Theoretical and methodological aspects of the study of leveling heterogeneity of economic space. Fundamental Research. 2017;8-2:368–372. (In Russian).
5. Federal State Statistics Service. On industrial production in the first quarter of 2023. https://rosstat.gov.ru/storage/media-bank/63_26-04-2023.html (accessed 30. 09. 2023). (In Russian).