Nabi, Rebwar M., Soran Ab. M. Saeed, and Habibollah Harron. “A Novel Approach for Stock Price Prediction Using Gradient Boosting Machine With Feature Engineering (GBM-WFE)”. Kurdistan Journal of Applied Research 5, no. 1 (April 30, 2020): 28–48. Accessed August 25, 2025. https://ns2.spu.edu.iq/index.php/kjar/article/view/427.