N, O. Precondition and possibilities for establishing cross border free zone between Mongolia-China. Journal of International Studies, [S. l.], n. 1, p. 52–80, 2018. DOI: 10.5564/jis.v0i1.1122. Disponível em: https://www.mongoliajol.info/index.php/JIS/article/view/1122. Acesso em: 1 feb. 2023.