Karuniawati, Benny, and Erma Fauziandari. “HYPNOBIRTHING TERHADAP LAMA PERSALINAN KALA I”. Jurnal Kesehatan Samodra Ilmu (JKSI) 8, no. 2 (February 7, 2020): 110-116. Accessed May 18, 2024. https://stikes-yogyakarta.e-journal.id/JKSI/article/view/72.