DAHLAN, F. M.; SUCIAWATI, A.; SRI, F. Effect of Birth Balls on Reducing Labor Pain During First Stage of Active Phase in Primigravida Maternity. International Journal of Midwifery and Health Sciences, [S. l.], v. 1, n. 2, p. 77–85, 2023. DOI: 10.61777/ijmhs.v1i2.38. Disponível em: https://ijmhs.id/index.php/OK/article/view/38. Acesso em: 4 jul. 2024.