Chanyapornpong, Montira, Narongchai Khunpluem, Alisara Wongsuthilert, Wanlop Jaidee, and Patchana Hengboriboonpong Jaidee. 2019. “Knowledge and Compliance of Touristaccording to the law on Smoking-free area: Case study of Bangsaen Beach”. Journal of Public Health and Health Sciences Research 1 (1):25-38. https://he01.tci-thaijo.org/index.php/JPHSR/article/view/212713.