Wahyuni, Iin, Noor Pramono, Titi Suherni, and Melyana Nurul Widyawati. “EFFECT OF PREGNANCY EXERCISE ON DURATION OF THE FIRST AND SECOND STAGE OF LABOR IN PRIMIGRAVIDA MOTHERS DURING THE THIRD TRIMESTER OF PREGNANCY”. Belitung Nursing Journal 3, no. 6 (December 28, 2017): 765–770. Accessed June 16, 2024. https://www.belitungraya.org/BRP/index.php/bnj/article/view/304.