Amir, Faisal, Gondo Mastutik, M Hasinuddin, and Suhartono Taat Putra. 2018. “Dhikr (Recitation) and Relaxation Improve Stress Perception and Reduce Blood Cortisol Level in Type 2 Diabetes Mellitus Patients With OAD”. Folia Medica Indonesiana 54 (4):249-55. https://doi.org/10.20473/fmi.v54i4.10707.