Tarigan, K.D.A. , Simanjuntak, M. and Maulita, Y. 2024. EXPERT SYSTEM OF PREECLAMPSIA DIAGNOSIS USING CERTAINTY FACTOR METHOD. Journal of Mathematics and Technology (MATECH). 3, 2 (Sep. 2024), 169–179. DOI:https://doi.org/10.63893/matech.v3i2.176.