“INVESTIGATION OF SELF EFFICACY IN THERAPY MANAGEMENT IN TYPE 2 DIABETES MELLITUS PATIENTS THE COVID-19 PANDEMIC”. (2021) Jurnal Keperawatan BSI, 9(2), pp. 220–224. Available at: https://ejurnal.ars.ac.id/index.php/keperawatan/article/view/619 (Accessed: 7 July 2026).