Reffita, Lea Ingne, Senditya Indah Mayasari, Ummi Halfida, Wili Sinarti, Yaumil Fitriyah, and Zidni Karimatun Nisa. 2021. “LITERATURE REVIEW : EFEKTIFITAS PELVIC ROCKING EXERCISE MENGGUNAKAN BIRTHING BALL TERHADAP KEMAJUAN PERSALINAN PADA IBU PRIMIPARA”. Jurnal Ilmiah PANNMED (Pharmacist, Analyst, Nurse, Nutrition, Midwivery, Environment, Dentist) 16 (3):603-5. https://doi.org/10.36911/pannmed.v16i3.1206.