Preedatham, K., Setarnawat, S., Soonthonsmai, V., & Rotjanakorn, A. (2023). The Development of Customer Royalty in the Thai Spa and Health Massage Service Industry. Burapha Journal of Business Management Burapha University, 12(2), 48–67. retrieved from https://so01.tci-thaijo.org/index.php/BJBM/article/view/267828