วัฒนานนท์สกุล ส. “A Development of Preventive Program Increase Protective Outcomes and a Study of Preventive Effects on Smoking Intention Among Secondary School Students”. Journal of Behavioral Science for Development, vol. 6, no. 1, Jan. 2014, https://so02.tci-thaijo.org/index.php/JBSD/article/view/16003.