00564naa#a2200169#i#450# EN\\bibl\122413 20260702123834.4 2782-4586 20260630b2026####ek#y0engy0150####ca RU Analysis of modern digital communication channels and evaluation of the effectiveness of their use in marketing management PJSC NK Rosneft Journal article Moscow ITBO University 2026 8 с. Journal article local Маркетинг. 339.138 Shapovalov M. I. jomeam.ru