CAHYANINGRUM, Hapsari; SARI, Apriliyan Yunita; UMATIN, Khoiru. The Effect of Breathing Exercise and Progressive Muscle Relaxation on Improving Sleep Quality in Postmenopausal Women. Jurnal Ilmu dan Teknologi Kesehatan, [S. l.], v. 13, n. 1, p. 29–38, 2025. DOI: 10.32668/jitek.v13i1.2261. Disponível em: https://ejurnal.poltekkesjakarta3.ac.id/index.php/jitek/article/view/2261. Acesso em: 27 sep. 2026.