Nootayasakul, C. . . and Sungrugsa, N. . . (2020) “Model of Human Resource Development in the Spa Business to Promote Wellness Tourism for Senior Tourists ”, Dusit Thani College Journal, 13(3), pp. 16–29. Available at: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241090 (Accessed: 26 April 2024).