00534naa#a2200157#i#450# EN\\bibl\116671 20260316200446.1 2221-3260 20260131b2026####ek#y0engy0150####ca RU The concept of technological leadership and the region scientific and technological policy in the digital economy Journal article Yaroslavl Yaroslavl State Technical University 2026 14 с. Journal article local Rayhlina Anna Vladimirovna chemintech.ru