Utami TW, Astuti YS, Nurhalimah N, Kusumaningtyas Y. The Effect of Using Smart Diabetes Calendar (SDC) on the Self-Efficacy of Diabetes Mellitus Patients. IJGHR [Internet]. 2025 Nov. 19 [cited 2026 Jul. 13];7(6):931-8. Available from: https://jurnal2.globalhealthsciencegroup.com/index.php/IJGHR/article/view/723