Pawenrusi EP, Suarni S, Hardianti H, Astuti SN. The Effect of Progressive Relaxation Techniques on Anxiety Levels in Schizophrenic Patients . keperawatan [Internet]. 2022 Sep. 9 [cited 2024 Nov. 21];14(3):679-84. Available from: https://journal2.stikeskendal.ac.id/index.php/keperawatan/article/view/434