Sasmitha Sasmitha et al. 2025. Pengaruh Terapi Birth Ball terhadap Kemajuan Persalinan Kala I di Klinik Putri May Sarah. Jurnal Siti Rufaidah. 3, 1 (Feb. 2025), 09–20. DOI:https://doi.org/10.57214/jasira.v3i1.162.