APRIYENI, E.; PATRICIA, H. The improvement of elderly sleeping quality with progressive muscle relaxation therapy. International Journal Of Community Medicine And Public Health, [S. l.], v. 7, n. 5, p. 1684–1687, 2020. DOI: 10.18203/2394-6040.ijcmph20201967. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/6266. Acesso em: 16 nov. 2025.