Fenglian, Y., and P. Narrot. “The Role of Local Government in International Relations: A Case Study of Friendship City Agreements Between Khon Kaen City and Nanning City”. Local Administration Journal, vol. 10, no. 3, Sept. 2017, pp. 139 -, https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/100292.