Ratanapitak, U., K. Krainuwat, A. Sriwijitkamol, and C. Vipawattana. “The Effects of a Diabetic Self-Management Program on Knowledge, Behavior, and Health Indexes Among People With Type 2 Diabetes”. Nursing Science Journal of Thailand, vol. 31, no. 1, July 2013, pp. 7-18, https://he02.tci-thaijo.org/index.php/ns/article/view/10548.