Zanah, Miftakhul. “PENGARUH BIRTH BALL TERHADAP INTENSITAS NYERI PERSALINAN KALA 1 FASE AKTIF DI BPM YULINDA PADANG PARIAMAN”. Jurnal Kesehatan Tambusai 4, no. 3 (September 29, 2023): 4330–4336. Accessed November 25, 2024. http://journal.universitaspahlawan.ac.id/index.php/jkt/article/view/18290.