00785naa#a2200181#i#450# EN\\bibl\70593 20241127105554.3 2073-5537 20231004b2023####ek#y0engy0150####ca RU Sustainable socio-economic development of the regions of the Southern Federal District under the conditions of external sanctions Journal article Astrakhan Astrakhan State Technical University 2023 7 с. Journal article local Региональная, территориальная экономическая политика, планирование и прогнозирование. 332.14 Kurchenkov Vladimir Victorovich Melikhov Denis Olegovich vestnik.astu.org