“EMPOWERING QUALITY OF LIFE: A SELF-EFFICACY DEVELOPMENT MODEL FOR DIABETES MELLITUS PATIENTS AT DARUSSALAM PUSKESMAS, MEDAN, INDONESIA” (2018) International Journal of Medical Science and Dental Health, 4(07), pp. 01–05. Available at: https://www.ijmsdh.org/index.php/ijmsdh/article/view/114 (Accessed: 18 October 2025).