Saroyo, Yudianto B, Christian Wijaya, and Putri M T Marsubin. 2018. “Demographic Characteristics of Mothers Who Delivered Children With Birth Defetcs: Demografi Ibu Yang Melahirkan Janin Dengan Kelainan”. Indonesian Journal of Obstetrics and Gynecology 6 (4):222-27. https://doi.org/10.32771/inajog.v6i4.845.