Dewi Fika Abubakar, Rani Safitri, Rosyidah Alfitri. The Effect of Birthing Ball Use on the Duration of the First Stage of Active Labor. icistech [Internet]. 2025 Jun. 30 [cited 2025 Aug. 14];5(1):448-53. Available from: https://icistech.org/index.php/icistech/article/view/224