Kulprasutidilok, A., P. Prasertsom, and P. Kulprasutidilok. “Factor Path Analysis of Health Literacy,Self-Care Activities, Diabetic Knowledge and Self-Efficacy to Glycosylated Hemoglobin Level in the Elderly With Type 2 Diabetes”. Journal of Health and Health Management, vol. 8, no. 1, June 2022, pp. 121-36, https://he01.tci-thaijo.org/index.php/slc/article/view/252733.