Forbes, Darlin, et al. “The Risk of Ovarian Malignancy Algorithm (ROMA) As a Predictor of Ovarian Tumor Malignancy: Risk of Ovarian Malignancy Algorithm (ROMA) Sebagai Prediktor Keganasan Ovarium”. Indonesian Journal of Obstetrics and Gynecology, vol. 5, no. 4, Dec. 2017, pp. 236-40, doi:10.32771/inajog.v5i4.568.