Konharn, K., T. Therdkiattikul, S. Meephat, J. Karawa, and P. Sangpara. “Determinants Associated with Physical Activity Levels and Sedentary Behaviors among Secondary-School Students Aged 14-15 Years in Khon Kaen City Municipality, Khon Kaen Province”. NU Journal of Nursing and Health Sciences, vol. 16, no. 3, Dec. 2022, pp. 108-22, https://he01.tci-thaijo.org/index.php/NurseNu/article/view/258147.