Malik, Fazal, Sohail Nawaz Sabir, Atiq Ur Rahman, and Afsheen Khalid. “Integrating XGBoost and Recurrent Neural Networks (RNNs) to Optimize COVID-19 Mortality Prediction”. Iraqi Journal of Science 66, no. 10 (October 30, 2025): 4590–4613. Accessed June 30, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/15115.