Ruamsook, T. ., A. Tipwong, and P. Vorasiha. “Predictors of Helping Behavior on Smoking Cessation Among Village Health Volunteers in Samut Songkhram Province”. Thai Journal of Nursing, vol. 69, no. 1, Mar. 2020, pp. 10-18, https://he02.tci-thaijo.org/index.php/TJN/article/view/240798.