“Terapi Birth Ball Dengan Kemajuan Persalinan Dan Pengurangan Nyeri : Birth Ball Therapy With Labor Progress Progression and Pain Reduction”. Jurnal Ilmiah Kebidanan dan Kesehatan (JIBI) 2, no. 2 (December 31, 2024): 71–80. Accessed June 13, 2026. https://tes.salnesia.id/jibi/article/view/1318.