Dewi Fika Abubakar, Rani Safitri, and Rosyidah Alfitri. “The Effect of Birthing Ball Use on the Duration of the First Stage of Active Labor”. Proceeding of The International Conference of Inovation, Science, Technology, Education, Children, and Health 5, no. 1 (June 30, 2025): 448–453. Accessed August 14, 2025. https://icistech.org/index.php/icistech/article/view/224.