Marbun, Fera Wati Br. “SISTEM PAKAR DIAGNOSA PENYAKIT HAMIL ANGGUR (MOLA HIDATIDOSA) DENGAN METODE CERTAINTY FACTOR”. JURNAL RISET KOMPUTER (JURIKOM) 4, no. 4 (August 4, 2017). Accessed October 27, 2025. https://ejurnal.stmik-budidarma.ac.id/index.php/jurikom/article/view/785.