ดำรงศิริ ธำรงศักดิ์, and มัธยมบุรุษ วารัชต์. “The Integrated Scuba Tourism Management Case Study at Koh Tao, Koh Tao District, Phangan, Surathanee”. Rajapark Journal 11, no. 21 (February 10, 2017): 10–22. Accessed May 17, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/171416.