Srisakun , Chakrit, Watit Intuluck, and Phopdech Rattanataworn. “Analyzing the Attractiveness of Luxury Spa in Thailand”. Dusit Thani College Journal 13, no. 1 (April 10, 2020): 415–426. Accessed May 3, 2024. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241037.