Kho, Delvian Christoper, Hindriyanto Dwi Purnomo, and Hendry Hendry. 2025. “PERFORMANCE ANALYSIS OF GRADIENT BOOSTING MODELS VARIANTS IN PREDICTING THE DIRECTION OF STOCK CLOSING PRICES ON THE INDONESIA STOCK EXCHANGE”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan 19 (2), 1393-1408. https://doi.org/10.30598/barekengvol19iss2pp1393-1408.