Saptyani P, Farkhah L, Syamsiah R. Experimental Study: Back Movement Technique on Beta-Endorphin Levels and Fetal Well-Being. IJGHR [Internet]. 1Apr.2024 [cited 9May2026];6(2):645-56. Available from: http://jurnal.globalhealthsciencegroup.com/index.php/IJGHR/article/view/2991