Kaewsa, W., Khawda, N., Saenluanginn, J. and Boonkiattiboot, R. (2023) “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(1), pp. 56–68. available at: https://he02.tci-thaijo.org/index.php/ODPC9/article/view/263742 (accessed: 8 December 2025).