Nurmaisya, Elga, and Sri Mulyati. “EVIDENCE BASED CASE REPORT (EBCR) : PENGGUNAAN BIRTH BALL EFEKTIF DALAM MENGURANGI NYERI PERSALINAN KALA I”. Jurnal Kesehatan Siliwangi 3, no. 1 (August 31, 2022): 45 - 52. Accessed December 27, 2024. https://jurnal.polkesban.ac.id/index.php/jks/article/view/1197.