ล่องประเสริฐ ส. Development of Spa Business Standard in Koh Samui Suratthani to Asean Economic Community. Journal of Management Sciences Suratthani Rajabhat University, [S. l.], v. 1, n. 1, p. 125–142, 2018. Disponível em: https://so03.tci-thaijo.org/index.php/msj/article/view/150216. Acesso em: 7 may. 2024.