SARI, F. Y.; RINI NOVITASARI, D. C.; HAMID, A.; HAQ, D. Z. FETAL HEALTH RISK STATUS IDENTIFICATION SYSTEM BASED ON CARDIOTOCOGRAPHY DATA USING EXTREME GRADIENT BOOSTING WITH ISOLATION FOREST AS OUTLIER DETECTION. BAREKENG: Jurnal Ilmu Matematika dan Terapan, v. 19, n. 3, p. 1711-1724, 1 jul. 2025.