Laipaporn, Jetsada, and Chakorn Praprom. “The Expenditure on Wellness Tourism of Tourists Travelling in Betong District, Yala Province”. Journal of Humanities and Social Sciences Prince of Songkla University 16, no. 2 (March 31, 2021): 37–66. Accessed May 2, 2024. https://so03.tci-thaijo.org/index.php/eJHUSO/article/view/251174.