วงษ์ทอง ร., and วนาพิทักษ์ ว. “Legal Problems for the Thai Hotel Business in the Realization of ASEAN Economic Community”. Huachiew Chalermprakiet Law Journal, vol. 5, no. 2, May 2015, pp. 1-18, https://so01.tci-thaijo.org/index.php/lawhcu/article/view/157963.