ดำดล สุชาติ. 2023. “Effects of the Positive Psychology Capital Development Program on the Decrease of Body Weight and Blood Glucose Levels in Patients with Type II Diabetes Mellitus”. Singburi Hospital Journal 31 (3). กรุงเทพฯ, ประเทศไทย:74-87. https://he01.tci-thaijo.org/index.php/shj/article/view/261355.