“A Hybrid Machine Learning Approach for Heart Disease Prediction with Ecg & Echo Analysis and Explainable Ai” (2026) Don Bosco Institute of Technology Delhi Journal of Research, 3(1), pp. 50–55. Available at: https://www.acspublisher.com/journals/index.php/dbitdjr/article/view/24902 (Accessed: 18 July 2026).