KAEWRAT, J. and JANTA, R. 2021. Health Risk Assessment of Residents in a Tourist City: A Case Study of Nakhon Si Thammarat Province. Walailak Journal of Science and Technology (WJST). 18, 5 (Feb. 2021), Article 11510 (12 pages). DOI:https://doi.org/10.48048/wjst.2021.11510.