00661naa#a2200169#i#450# EN\\bibl\116706 20260404073956.6 2224-6789 20251226b2025####ek#y0engy0150####ca RU Marketplaces as a tool for optimization and growth in the context of digital market transformation Journal article Moscow Russian International Academy for Tourism 2025 4 с. Journal article local Управление предприятиями. Организация и техника торговли. 658 Suiazova Natalia Nikolaevich vestnik-rmat.editorum.ru