K. N. Qodri, A. Ardiansyah, N. A. R. Putri, A. S. Widagdo, and F. E. N. Saputro, “Ensemble Deep Learning with Attention Mechanism and Explainable AI for Enhanced Brain Tumor Classification from MRI Images”, Int. J. Eng. Technol. Nat. Sci., vol. 8, no. 1, pp. 80-96, Jul. 2026.