BETTY SUNARYANTI; RATNA KUSUMA ASTUTI. Pengaruh Progressive Muscle Relaxation Techniques terhadap Perubahan Gangguan Tidur : Insomnia, pada Penderita Gangguan Muskuloskeletal: Penelitian . Jurnal Pengabdian Masyarakat dan Riset Pendidikan, [S. l.], v. 4, n. 4, p. 22267–22275, 2026. DOI: 10.31004/jerkin.v4i4.5825. Disponível em: https://jerkin.org/index.php/jerkin/article/view/5825. Acesso em: 30 apr. 2026.