Tanjung WW, Antoni A. Efektifitas Endorphin Massage Terhadap Intensitas Nyeri Persalinan Kala I pada Ibu Bersalin. JKII [Internet]. 2019Dec.20 [cited 2026Sep.12];4(2):48-53. Available from: https://www.jurnal.unar.ac.id/index.php/health/article/view/65