Pingwong, K., and K. Sittipa. “Factors Related to Self-management Behaviors Among Pregnant Women at Risk of Gestational Diabetes Mellitus”. Nursing Journal CMU, vol. 49, no. 1, Mar. 2022, pp. 317-28, https://he02.tci-thaijo.org/index.php/cmunursing/article/view/255937.