Santoso, Budi I., et al. “Old Perineal Rupture - From Diagnosis to Reparation: Ruptur Perineum Lama: Diagnosis Sampai Perbaikan”. Indonesian Journal of Obstetrics and Gynecology, vol. 7, no. 3, July 2019, pp. 238-41, doi:10.32771/inajog.v7i3.664.