Putri, Septia Harma, et al. “Correlation Of Serum 25-Hydroxyvitamin D Levels With Glycemic Control In Type 2 Diabetes Mellitus Patients”. Journal of Endocrinology, Tropical Medicine, and Infectious Disease (JETROMI), vol. 7, no. 2, May 2025, pp. 72-79, doi:10.32734/jetromi.v7i2.18731.