00452naa#a2200157#i#450# EN\\bibl\83148 20240828125057.3 2542-1840 20240516b2024####ek#y0engy0150####ca RU Contractual Responsibility of Marketplaces Journal article Kemerovo Kemerovo State University 2024 9 с. Journal article local Abrosimova Elena Antonovna jcenter.kemsu.ru