Diaz Kristiananda, Andreas, Siswanto, and Erna Agustina Yudiati. 2024. “Aapplication Of Progressive Muscle Relaxation Techniques (Pmrt) To Reduce Depression, Anxiety And Stress Levels In Elderly People With Diabetes Mellitus”. Jurnal Ilmiah Penelitian Psikologi 10 (2):14-27. https://journal.uhamka.ac.id/index.php/jipp/article/view/14793.