TSEND, B. The Mongolia- China-Russia: Opportunities and Challenges to Develop Cross-Border Cooperation. Journal of International Studies, [S. l.], n. 1, p. 5–39, 2019. DOI: 10.5564/jis.v0i1.1252. Disponível em: https://mongoliajol.info/index.php/JIS/article/view/1252. Acesso em: 18 jul. 2024.