Samosorn, N., N. Wongkawin, C. Yuenyongpanich, and M. Samaphant. “The effectiveness of a smoking prevention behavior promoting program of junior high school students, Landokmai Sub-district, Kamphaeng Phet Province”. Journal of Public Health and Health Sciences Research, vol. 2, no. 1, Apr. 2020, pp. 41-51, https://he01.tci-thaijo.org/index.php/JPHSR/article/view/240319.