Herdiman, Herdiman, Deni Hamdan Fauzi, and Linlin Lindayani. “The Effect of Progressive Muscle Relaxation on Anxiety in Covid-19 Patients in Bandung”. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal) 8, no. Special Edition (June 30, 2022). Accessed December 22, 2024. https://journal.stikep-ppnijabar.ac.id/index.php/jkk/article/view/404.