Jitdamrongsunthorn, C. (2015) “Tourism Management Administration of Chiang Khong District as Border District”, Academic Journal of Thailand National Sports University. Chonburi, Thailand, 7(3), pp. 77–88. Available at: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/256684 (Accessed: 14 May 2024).