00734naa#a2200181#i#450# EN\\bibl\123299 20260730085609.4 2686-9896 20260515b2026####ek#y0engy0150####ca RU ECONOMIC COOPERATION BETWEEN THE IRKUTSK REGION AND MONGOLIA Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2026 1 с. Journal article local Торговля. Международные экономические отношения. Мировое хозяйство. 339 Sorokina Anna Ivanovna Galbadrakh Sosorbaram angtu.editorum.ru