Wongcharoenkul, Sumalee, and Sid Suntrayuth. “Tourism Service Management and Senior Foreign Travelers’s Behavior in Thailand”. Community and Social Development Journal 24, no. 1 (January 24, 2023): 52–71. Accessed May 20, 2024. https://so05.tci-thaijo.org/index.php/cmruresearch/article/view/260674.