Simarmata, P.C., ., H. and Armarin, F.D. 2022. Effect Of Progressive Muscle Relaxation And Deep Breathing On Anxiety And Quality Of Life In Patients Covid-19. JURNAL KEPERAWATAN DAN FISIOTERAPI (JKF). 5, 1 (Oct. 2022), 167–172. DOI:https://doi.org/10.35451/jkf.v5i1.1400.