จ้องผดุงศักดิ์ ช., and เลิศพุทธรักษ์ ศ. “GUIDELINES FOR TOURISM ORGANIZATION IMPROVEMENT FOR HIGH-INCOME INDEPENDENT TOURISTS FROM REPUBLIC OF CHINA”. RMUTT Global Business and Economics Review, vol. 14, no. 2, Jan. 2020, pp. 177-94, https://so03.tci-thaijo.org/index.php/RMUTT-Gber/article/view/241326.