Nammavongsa, Phonevilai, Monsicha Inthajak, Yutthakarn Waiapha, and Keerati Trakansiriwanich. “Process of Tourism Public Relations of Savannakhet Information, Culture and Tourism Department of Lao People’s Democratic Republic”. Journal of Management Sciences Suratthani Rajabhat University 10, no. 1 (May 25, 2023): 85–106. accessed April 7, 2025. https://so03.tci-thaijo.org/index.php/msj/article/view/256262.