Chairiyah, R. and 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), pp. 79–87. doi: 10.56014/jphi.v2i4.59.