S. Jamhom, T. Silawan, ละกำปั่น ส., and J. Sillabutra, “Health Literacy of Diabetic Patients with Uncontrolled Blood Sugar Levels in Primary Care Units, Muang District, Singburi Province”, TH. J. of Health Edu., vol. 44, no. 1, pp. 75–86, May 2021.