Festy Mahanani Mulyaningrum, Yuwanti. MODEL OF PREGNANCY EXERCISE WITH DURATION IN THE FIRST STAGE OF LABOR IN PRIMIPARA : -. j. profesi. bidan. indonesia. [Internet]. 2023Aug.17 [cited 2025Apr.28];3(1):32-41. Available from: https://www.pbijournal.org/index.php/pbi/article/view/56