00583naa#a2200181#i#450# EN\\bibl\126462 20260818080859.2 1998-6785 20260630b2026####ek#y0engy0150####ca RU Russian-Mongolian-Chinese Cooperation in Higher Education: Key Trends and Prospects Journal article Vladivostok Vladivostok State University 2026 9 с. Journal article local Aktamov Innokentii G Vinokurova Anna Viktorovna Sharavtseren Tserenjigmed ojkum.editorum.ru