Fatimatuzzahro, Delis, and Feva Tridiyawati. “The Influence of Birth Ball on Fear in the Delivery Process”. Proceedings of the International Conference on Nursing and Health Sciences 4, no. 2 (August 11, 2023): 487-492. Accessed July 27, 2026. https://www.jurnal.globalhealthsciencegroup.com/index.php/PICNHS/article/view/2010.