Bunnag, A., P. Sriussadaporn, B. Sukcharoen, and A. Preungvate. “A Follow up Study of Diabetic Camp Activity on Perceived Self-Efficacy and Self-Care Behaviors in Diabetic Children”. Siriraj Medical Journal, vol. 55, no. 3, Mar. 2003, pp. 158-66, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245393.