Intasi, Wichian, Watunyu Jaiborisudhi, Ampa Kaewkumkong, and Chawapon Changklang. 2012. “Mukdahan – Suvannakhet Sister Cities: The Study of Cultural Factors That Affect the Appropriateness of the Sister City Relationship-Building Policy Between Border Towns in the Mekong Sub-Region”. Thai Journal of East Asian Studies 17 (2):50-65. https://so02.tci-thaijo.org/index.php/easttu/article/view/50639.