Mahmood, Dlshad Abdalrahman, and Muhammad Amin Muhammadali. “Hybrid U-Net Architectures With ResNet50 and VGG19 for Accurate CT-Based Kidney Disease and Stone Segmentation”. UHD Journal of Science and Technology 9, no. 2 (October 13, 2025): 231–250. Accessed October 30, 2025. https://journals.uhd.edu.iq/index.php/uhdjst/article/view/1553.