nikmah, khusnul, Eka Sarofah Ningsih, and Vita Yushofa. “The The Correlation Between Participation In Pregnancy Workouts And Perineum Ruptures Incidence In Woman With Normal Labor At The Sumengko Village Maternity Cottage, Lamongan District”. Journal of Health Sciences 14, no. 02 (May 27, 2021): 141–146. Accessed November 22, 2024. https://journal2.unusa.ac.id/index.php/JHS/article/view/2014.