Astutiningsih, Tiyas, Dewi Retno Sari Saputro, and Sutanto. 2023. “Optimasi Algoritme Xtreme Gradient Boosting (XGBoost) Pada Harga Saham PT. United Tractors Tbk”. SPECTA Journal of Technology 7 (3):632-41. https://doi.org/10.35718/specta.v7i3.1031.