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]. 2024 Aug. 26 [cited 2026 Mar. 25];5(08):2041-9. Available from: https://jiss.publikasiindonesia.id/index.php/jiss/article/view/1218