Sri Hindriyastuti, Noor Faidah, and Gardha Rias A. “The Effect Of Progressive Muscle Relaxation Therapy On Reducing The Stress Level Of Inmates In Class II B Kudus Detention Center”. International Journal Of Health Science 3, no. 2 (July 20, 2023): 110–117. Accessed May 14, 2024. https://ejurnal.politeknikpratama.ac.id/index.php/ijhs/article/view/2752.