00568naa#a2200169#i#450# EN\\bibl\123199 20260524131226.7 2409-1073 20231220b2023####ek#y0engy0150####ca RU Contemporary state of Internet advertising and its impact on the promotion of small and medium-sized businesses Journal article Moscow National Research University of Electronic Technology 2023 0 с. Journal article local Реклама. 659.1 Prudius Elena V. htlaw.ru