Chieochankitkan, Anan, and Kassara Sukpatch. “The Customers’ Perception of Service Quality for Spa Establishments in the Active Beach Tourism Cluster, Thailand”. Humanities, Arts and Social Sciences Studies 14, no. 3 (September 1, 2014): 53–76. accessed April 7, 2025. https://so02.tci-thaijo.org/index.php/hasss/article/view/25945.