Saowapawong, Kingkanok, Rattana Panriansaen, and Sombat Karnjanakit. “A Development Model of Thailand to Become the Health Tourism Centre of Asia”. Academic Journal of Thailand National Sports University 10, no. 1 (January 1, 2018): 191–200. Accessed May 18, 2024. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/249223.