Setiani, Eka Titi, Lutfatul Latifah, and Mekar Dwi Anggraeni. “The Effect of Birth Ball Therapy on the Intensity of Spontaneous Labor Pain”. Jurnal Kebidanan dan Kesehatan Tradisional 8, no. 1 (April 11, 2023): 20–32. Accessed April 25, 2024. https://jurnalbidankestrad.com/index.php/jkk/article/view/379.