แซ่ลิ้ม กนกอร, and มาชู วิชชุตา. “Responsible Spa Model : A Reflection from Customer Perspective”. Journal of Management Sciences Suratthani Rajabhat University 2, no. 2 (December 30, 2015): 91–116. Accessed May 4, 2024. https://so03.tci-thaijo.org/index.php/msj/article/view/116812.