Sugiharto, S., & Yu-Yun, H. (2026). Effects of Diabetes Self-Care Calendar on Self-Care Behavior, Knowledge, and HbA1c among Type 2 Diabetes Mellitus Patients: A Randomized Controlled Trial. Indonesian Contemporary Nursing Journal (ICON Journal), 10(2), 276–292. https://doi.org/10.20956/icon.v10i2.46029