00547naa#a2200157#i#450# EN\\bibl\111213 20260317145226.2 1998-6785 20251228b2025####ek#y0engy0150####ca RU Activity of the Administration of the Amur Region to promote Russian goods to the Manchurian market at the turn of the XIX – XX centuries Journal article Vladivostok Vladivostok State University 2025 10 с. Journal article local Ustyugova Olga A vvgu.editorum.ru