Efectiveness of Birth Ball and Counterpressure on Labor Pain in The Siti Julaeha Midwife Practice, Pekanbaru City. JURNAL IBU DAN ANAK, [S. l.], v. 13, n. 2, 2022. Disponível em: https://jurnal.polkesri.ac.id/index.php/JIA/article/view/585. Acesso em: 10 jan. 2026.