Thangkratok, Pramote, Ekkamon Chaimo, Paradorn Yingyoud, and Winai Trainattawan. 2019. “Prevalence of Tobacco Smoking Among Nursing Students: A Systematic Review”. Journal of Health Science of Thailand 28 (4):601-9. https://thaidj.org/index.php/JHS/article/view/7671.