00579naa#a2200181#i#450# EN\\bibl\119676 20260615044513.1 2712-7516 20260508b2026####ek#y0engy0150####ca RU Benchmarking-based marketing mix standards in continuing professional education organizations Journal article Moscow ITBO University 2026 0 с. Journal article local Маркетинг. 339.138 Batalov Danil Aleksandrovich Semibratsky Maksim Viktorovich jomeam.ru