Buntup, Doungjai, and Jiraporn Chompikul. 2019. “Factors affecting compliance with the non-smokers’ health protection Act B.E.2535: a case study of taxi cars”. Journal of Public Health and Development 17 (3). Bangkok, Thailand:1-12. https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/219562.