SURYANI, Lilis; HARDIKA, Mufida Dian. The Effectiveness Of Birthing Ball Therapy On The Duration Of The First Stage Of Labor And The Intensity Of Labor Pain In Primigravid Mothers Giving Births. STRADA : Jurnal Ilmiah Kesehatan, [S. l.], v. 9, n. 2, p. 981–989, 2020. DOI: 10.30994/sjik.v9i2.404. Disponível em: https://sjik.org/index.php/sjik/article/view/404. Acesso em: 5 oct. 2025.