Fast Hierarchical and Flat Classification of Dermoscopic Skin Lesions Using Hand-Crafted Features and Classical Machine Learning (Mohamed Amin Belal, Dr. Sara. I. Ibrahim, Prof. (Dr.) BenBella S. Tawfik, & Prof. (Dr.) Mohamed M. El-Gazzar , Trans.). (2026). International Journal of Engineering and Advanced Technology (IJEAT), 15(3), 29-36. https://doi.org/10.35940/ijeat.D4747.15030226