Chairiyah, R., & Warsiningsih, W. (2015). Factors Affecting Rupture Perineum on Mother Maternity at District Health Clinics Kramat Jati, East Jakarta in Januari to May 2013: Royani Chairiyah, Warsiningsih. Jurnal Persada Husada Indonesia, 2(4), 79–87. https://doi.org/10.56014/jphi.v2i4.59