00634naa#a2200169#i#4500001001600000005001700016011001400033100004100047102000700088200011600095210005800211215001000269608002700279675010600306700003100412856002100443EN\\bibl\11028620260115042700.4##a2073-5537##a20251217b2025####ek#y0engy0150####ca##aRU1#aSome conceptual provisions for the regional sectoral economic system formation and developmenteJournal article1#aAstrakhancAstrakhan State Technical Universityd2025##a8 с.##aJournal article2local##aРегиональная экономика. Территориальная экономика. 332.1#1aSmirnovagElena Viktorovna4#avestnik.astu.org