Kieanwatana, K. ., S. . Sukonthasab, and W. . Leemingsawat. “SITUATIONS, NEEDS AND TRENDS OF HEALTH TOURISM MODEL IN THAILAND”. Academic Journal of Thailand National Sports University, vol. 10, no. 1, Jan. 2018, pp. 167-78, https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/249220.