PANGESTIKA, N. D. .; FIRMAWATI, E. .; WIDYASTUTI, A. . Progressive Muscle Relaxation in Managing Anxiety in Preoperative Patients. INDOGENIUS, [S. l.], v. 5, n. 3, p. 864–873, 2026. DOI: 10.56359/igj.v5i3.1095. Disponível em: https://genius.inspira.or.id/index.php/indogenius/article/view/1095. Acesso em: 4 oct. 2026.