Firdaus, Nailufar. “PENGARUH PEMBERIAN ENDORPHIN MASSAGE TERHADAP SKALA NYERI IBU BERSALIN DI BPM LU’LUATUL MUBRIKOH, S.ST BANGKALAN”. JURNAL ILMIAH OBSGIN : Jurnal Ilmiah Ilmu Kebidanan & Kandungan P-ISSN : 1979-3340 e-ISSN : 2685-7987 10, no. 2 (September 16, 2018): 1–5. Accessed April 21, 2026. https://ojsnhm.com/index.php/JOB/article/view/281.