Chumsri, P. “The Relationship Between Fasting Plasma Glucose (FPG) and Hemoglobin A1c (HbA1c) for Predicting Estimated Average Glucose (eAG) in Diabetic Patients at Pak Phanang Hospital, Nakhon Si Thammarat Province”. Health Science Journal of Nakhon Ratchasima College, vol. 4, no. 2, Dec. 2025, pp. 1-13, https://he03.tci-thaijo.org/index.php/jhsnmc/article/view/4527.