Cahaya, R., Siti Muawanah and M. Zuhal Purnomo 2024. THE EFFECT OF USE OF BIRTHING BALL ON REDUCING BACK PAIN OF PREGNANT WOMEN IN THIRD TRIMESTER AT PMB ISNI HANDAYANI UTAMI KUDUS IN 2023. PROFESSIONAL HEALTH JOURNAL. 6, 1 (May 2024), 20-27. DOI:https://doi.org/10.54832/phj.v6i1.488.