00473naa#a2200157#i#450# EN\\bibl\91493 20250203063625.1 2500-3372 20241205b2024####ek#y0engy0150####ca RU Russian Practice of Marketing Management by Value Proposition Journal article Kemerovo Kemerovo State University 2024 9 с. Journal article local Suvorova Tat'yana Viktorovna jcenter.kemsu.ru