Kosobutskaya, A. Y., et al. “SOCIO-ECOLOGICAL-ECONOMIC DEVELOPMENT OF OLD INDUSTRIAL REGIONS — SUSTAINABILITY PROFILE”. Region: Systems, Economics, Management, vol. 1, no. 4 (63), Jan. 2023, pp. 47-55, https://doi.org/10.22394/1997-4469-2023-63-4-47-55.