Efectiveness of Birth Ball and Counterpressure on Labor Pain in The Siti Julaeha Midwife Practice, Pekanbaru City. JURNAL IBU DAN ANAK, [S. l.], v. 10, n. 2, p. 75–81, 2022. DOI: 10.36929/jia.v10i2.585. Disponível em: https://jurnal.pkr.ac.id/index.php/JIA/article/view/585. Acesso em: 16 jan. 2026.