Zaanaa, Ulzii, and Munkh-Ulzii Batmunkh. “Cooperation Between Mongolia-China Border Ports During the Covid-19 Pandemic: On the Geo-Economic Example of the Zamyin-Uud Port”. Journal of International Studies 46, no. 116 (December 30, 2023): 72–88. Accessed November 21, 2024. https://mongoliajol.info/index.php/JIS/article/view/3299.