00764naa#a2200181#i#450# EN\\bibl\132370 20260730155115.4 2413-046X 20260729b2026####ek#y0engy0150####ca RU INTEGRATED ASSESSMENT OF THE ECONOMIC EFFICIENCY OF AI AGENTS IN SALES AND MARKETING OF SMALL AND MEDIUM-SIZED ENTERPRISES Journal article Moscow Electronic science 2026 21 с. Journal article local Искусственный интеллект. 004.8 Сбыт. Продажа. Реализация продукции. 658.8 Мелкие предприятия. 334.012.64 Treschevskiy Dmitriy Yur'evich Kolyvanov Dem'yan Andreevich e-integral.ru