Yoosookcharoen, J., K. Sumpowthong, and P. Chompook. “Predictors of Intention to Quit Smoking Among Patients With Noncommunicable Disease in Thammasat University”. Journal of Public Health Nursing, vol. 32, no. 2, Aug. 2018, pp. 137-54, https://he01.tci-thaijo.org/index.php/phn/article/view/245426.