Wahyuni I, Pramono N, Suherni T, Widyawati MN. EFFECT OF PREGNANCY EXERCISE ON DURATION OF THE FIRST AND SECOND STAGE OF LABOR IN PRIMIGRAVIDA MOTHERS DURING THE THIRD TRIMESTER OF PREGNANCY. Belitung Nurs J [Internet]. 2017 Dec. 28 [cited 2024 Apr. 25];3(6):765-70. Available from: https://www.belitungraya.org/BRP/index.php/bnj/article/view/304