Robiul Fitri Masithoh, and Margono Margono. 2021. “INVESTIGATION OF SELF EFFICACY IN THERAPY MANAGEMENT IN TYPE 2 DIABETES MELLITUS PATIENTS THE COVID-19 PANDEMIC.”. Jurnal Keperawatan BSI 9 (2), 220-24. http://ejurnal.ars.ac.id/index.php/keperawatan/article/view/619.