SALAMAH, Umi; PUTRI, Alfi Aulia. The Relationship Of The Use Of Gym Ball To The Long Time Of Labor. JKM (Jurnal Kebidanan Malahayati), [S.l.], v. 8, n. 3, p. 639-644, july 2022. ISSN 2579-762X. Available at: <https://ejurnalmalahayati.ac.id/index.php/kebidanan/article/view/6604>. Date accessed: 03 july 2024. doi:https://doi.org/10.33024/jkm.v8i3.6604.