Sitepu, S. T., and P. I. Putriani. “The Correlation Between Age And Parity With Ruptured Perineum At Normal Labor In Puskesmas Padasuka The City Of Bandung Period 2015-2016”. JURNAL KESEHATAN KARTIKA, vol. 14, no. 2, Feb. 2021, pp. 72-76, doi:10.26874/jkkes.v14i2.86.