Sae-han, T., S. . Hiranrat, K. Aimsaeng, K. Nuengsin, N. Aumpan, P. Khammuang, J. . Khadpeng, S. Sena, and W. Suwannakeeree. “Effects of the Promoting Smoking Cessation Program Among Security Guards in a University”. Thai Journal of Nursing, vol. 69, no. 1, Mar. 2020, pp. 19-27, https://he02.tci-thaijo.org/index.php/TJN/article/view/240800.