FITRIA, R.; WAHYUNY, R. THE EFFECTIVENESS OF GIVING BIRTH BALL METHOD TO THE INTENSITY OF STAGE I LABOR PAIN IN THE ACTIVE PHASE IN BPM ROKAN HULU: EFEKTIVITAS PEMBERIAN METODE BIRTH BALL TERHADAP INTENSITAS NYERI PERSALINAN KALA I FASE AKTIF DI BPM ROKAN HULU. Jurnal Martenity and Neonatal, [S. l.], v. 3, n. 3, p. 210–220, 2021. Disponível em: https://e-journal.upp.ac.id/index.php/akbd/article/view/2173. Acesso em: 19 apr. 2024.