Nasution, Revie, and Restu Iriani. “Effect Of Progressive Relaxation Techniques And Combination Of Relaxation Glucose Levels In Type 2 Diabetes Mellitus Patient In RSIJ Pondok Kopi”. Jurnal Persada Husada Indonesia 1, no. 1 (January 2, 2014): 47-54. Accessed April 14, 2021. http://jurnal.stikesphi.ac.id/index.php/Kesehatan/article/view/36.