Waelveerakup, Wanpen, Malinee Jumnain, and Prasinee Suksapornlerte. “Factors Related to Initiation of Cigarette Smoking Behavior among Secondary School Student in Nakhon Pathom Province”. Interdisciplinary Research Review 13, no. 3 (October 5, 2018): 16–21. accessed April 9, 2025. https://ph02.tci-thaijo.org/index.php/jtir/article/view/122438.