Anam, Syaiful, Mohd Razif Shamsuddin, Elyas Kustiawan, Dwi Mifta Mahanani, and Feby Indriana Yusuf. 2026. “GREY WOLF-OPTIMIZED XGBOOST REGRESSOR FOR STOCK INDEX PREDICTION WITH FINANCIAL FEATURES”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan 20 (3), 2131-50. https://doi.org/10.30598/barekengvol20iss3pp2131-2150.