Perdana, N. I. H., Reno Tanfidz, Stevila, & Siti Aisyah. (2021). Implementation of Expert System in Diagnosing Torch Disease Using The Certainty Factor Method. Jurnal Mantik, 4(4), 2682-2686. https://doi.org/10.35335/mantik.Vol4.2021.1238.pp2682-2686