Literature Study: A Comparison Study of Peanut Ball and Birthing ball to the Progress of Stage 1 Labor in the Active Phase of Maternity. Jurnal Komunitas Kesehatan Masyarakat, [S. l.], v. 3, n. 2, 2021. DOI: 10.36090/jkkm.v3i2.1160. Disponível em: https://jurnal.uit.ac.id/JKKM/article/view/1160. Acesso em: 3 aug. 2026.