Niemchai, S., R. Taweepol, and C. Sirichodnisakorn. “The Efficiency Driving of Wellness Service of Wellness Homestay in Thailand”. Connexion: Journal of Humanities and Social Sciences, vol. 10, no. 2, Dec. 2021, pp. 93-111, https://so05.tci-thaijo.org/index.php/MFUconnexion/article/view/255806.