Chatdokmaiprai, K., S. Pitayarangsarit, and S. Kalampakorn. “Policy recommendation entitled: Measures and motivation to reduce tobacco consumption in industrial and agricultural workers”. Thai Journal of Nursing, vol. 68, no. 2, Aug. 2019, pp. 51-59, https://he02.tci-thaijo.org/index.php/TJN/article/view/213260.