Chaimongkol, M. ., P. . Sawagpun, P. . Sungkawadee, K. . Roonprapunta, and T. . Sawangmek. “RAISING SEA-BASED TOURISM SAFETY STANDARDS IN THAILAND”. Journal of Education and Innovation, vol. 22, no. 2, Apr. 2019, pp. 331-45, https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/171694.