Kaewsa, Watcharee, Nanthagan Khawda, Jitpinan Saenluanginn, and Rattiya Boonkiattiboot. “The Results of Health Economic Policy on Cultural Health Tourism in COVID-19 Situation Under Public Health Measures: A Case Study of a Sandbox in Chiang Khan, Loei Province”. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima 30, no. 1 (December 22, 2023): 56–68. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/ODPC9/article/view/263742.