Kaewsa W, Khawda N, Saenluanginn J, Boonkiattiboot R. 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. J. Off. Dis. Prev. Control 9 [internet]. 2023 Dec. 22 [cited 2026 Sep. 27];30(1):56-68. available from: https://he02.tci-thaijo.org/index.php/ODPC9/article/view/263742