00540naa#a2200181#i#450# EN\\bibl\126852 20260709041242.4 2712-7516 20260708b2026####ek#y0engy0150####ca RU Customer-oriented service tools: theoretical and applied aspects Journal article Moscow ITBO University 2026 0 с. Journal article local Маркетинг. 339.138 Golskaya Julia Nikolaevna Osipova Alyona Pavlovna jomeam.ru