Al-Abaji, M. A.; Salih, M. M.; Hussein, M. K. A Comprehensive Review of Explainable Artificial Intelligence (XAI): Methods, Challenges, and Future Directions. Neutrosophic Opt. Int. Syst. 2026, 10, 18-33. https://doi.org/10.61356/j.nois.2026.10658.