SURYANI, L.; DIAN HARDIKA, M. EFEKTIFITAS TERAPI BIRTHING BALL TERHADAP LAMA KALA I DAN INTENSITAS NYERI PERSALINAN PADA IBU BERSALIN PRIMIGRAVIDA DI PRAKTIK MANDIRI BIDAN MUFIDA DIAN HARDIKA KABUPATEN MADIUN. PRIMA WIYATA HEALTH, [S. l.], v. 3, n. 1, p. 20–29, 2022. DOI: 10.60050/pwh.v3i1.9. Disponível em: http://e-journal.shj.ac.id/ojs/index.php/PWH/article/view/9. Acesso em: 8 sep. 2025.