00671naa#a2200181#i#450# EN\\bibl\105852 20251211142713.4 2073-5537 20251101b2025####ek#y0engy0150####ca RU The Southern Federal District development analysis in the context of external sanctions Journal article Astrakhan Astrakhan State Technical University 2025 6 с. Journal article local Региональная экономика. Территориальная экономика. 332.1 Arykbaev Ravil Karimovich Antipov Mihail Dmitrievich vestnik.astu.ru