แสงพิกุล อัศวิน. “AN ANALYSIS OF SPA TOURIST REVIEWS IN MAJOR TOURISM CITIES”. Modern Management Journal 16, no. 2 (January 28, 2019): 83–96. Accessed July 1, 2022. https://so04.tci-thaijo.org/index.php/stou-sms-pr/article/view/168364.