ดำรงศิริ ธ., and มัธยมบุรุษ ว. “The Integrated Scuba Tourism Management Case Study at Koh Tao, Koh Tao District, Phangan, Surathanee”. Rajapark Journal, vol. 11, no. 21, Feb. 2017, pp. 10-22, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/171416.