Sae-han, Tawan, Surat Hiranrat, Kanokwan Aimsaeng, Kannika Nuengsin, Natacha Aumpan, Pisutdapa Khammuang, Jariya Khadpeng, Sunisa Sena, and Wongduan Suwannakeeree. 2020. “Effects of the Promoting Smoking Cessation Program Among Security Guards in a University”. Thai Journal of Nursing 69 (1):19-27. https://he02.tci-thaijo.org/index.php/TJN/article/view/240800.