Pane, Herviza Wulandary, Rina Armaya, Joharmi Joharmi, and Joharmi Joharmi. 2024. “Effectiveness of Upright Position and Sim Position on Acceleration of Active Phase of First Stage Labor”. Journal of Language and Health 5 (3), 1631-36. https://doi.org/10.37287/jlh.v5i3.5490.