M. A. Belal, M. M. El-Gazzar, B. B. S. Tawfik, and S. I. Ibrahim, “Leakage-Controlled Evaluation of Handcrafted-Deep Feature Fusion and Confidence Stacking for Four-Class Skin Lesion Classification”, Stat., optim. inf. comput., vol. 16, no. 4, pp. 3089–3102, Sep. 2026.