Paninsari, Debora. “TERAPI BIRTH BALL UNTUK MENURUNKAN INTENSITAS NYERI PERSALINAN”. Jurnal Maternitas Kebidanan 6, no. 1 (April 6, 2021): 94–98. Accessed December 23, 2025. https://jurnal.unprimdn.ac.id/index.php/jumkep/article/view/1640.