00680naa#a2200181#i#450# EN\RIOR\bibl\117611 20260328063801.6 2409-6024 20260226b2026####ek#y0engy0150####ca RU Methodological substantiation of the mechanisms of interaction between the federal and regional levels of government to improve socio-economic indicators Journal article Moscow Publishing Center RIOR 2026 10 с. Journal article local Государственное управление. 369.032 Ragulina Yulia Vyacheslavovna Tumanov Petr Alexandrovich rusjm.ru