Wongsawatdichart, Thanchanok, Chaweewan Saesee, and Phayao Chobtham. 2019. “3E and 2S in Health Behavior of people over 15 years old in Nakhon Si Thammarat City”. Thai Journal of Health Education 37 (2):16-29. https://he01.tci-thaijo.org/index.php/muhed/article/view/174645.