Panjasri, P., P. Danpradith, and C. Potisupsuk. “Effect of Planned Instruction and Modeling on Knowledge, Practice, and Control of Blood Glucose Levels of Diabetic Patients”. Vajira Medical Journal : Journal of Urban Medicine, vol. 52, no. 1, Sept. 2011, pp. 57-65, https://he02.tci-thaijo.org/index.php/VMED/article/view/331.