00597naa#a2200169#i#450# EN\\bibl\45586 20240503082322.5 2500-3372 20210813b2021####ek#y0engy0150####ca RU Gender Differences in Business Structures Operating in Trade, Information and Communication Services Journal article Kemerovo Kemerovo State University 2021 7 с. Journal article local Экономика. Экономические науки. 33 Pin'koveckaya Yuliya Semenovna vestnik-pses.kemsu.ru