Syafei, R., and D. A. Efrilianda. “Machine Learning Model Using Extreme Gradient Boosting (XGBoost) Feature Importance and Light Gradient Boosting Machine (LightGBM) to Improve Accurate Prediction of Bankruptcy”. Recursive Journal of Informatics, Vol. 1, no. 2, Sept. 2023, pp. 64-72, doi:10.15294/rji.v1i2.71229.