Desyanti HH, Sasriawati S. The Use of Birth Ball as A Non-Pharmacological Complementary Therapy in The Reduction of Labor Pain in Phase 1. JISS [Internet]. 2024Aug.26 [cited 2024Sep.19];5(08):2041-9. Available from: https://jiss.publikasiindonesia.id/index.php/jiss/article/view/1218