00452naa#a2200157#i#450# EN\\bibl\97024 20250412084147.6 2782-1927 20250228b2025####ek#y0engy0150####ca RU Data metrics in modern digital marketing Journal article Yaroslavl Yaroslavl State Technical University 2025 9 с. Journal article local Sedov Roman Leonidovich jraic.com