M. G. Mahdi, A. Sleem, I. M. Elhenawy, and S. Safwat, “Enhancing the Recognition of Handwritten Arabic Characters through Hybrid Convolutional and Bidirectional Recurrent Neural Network Models”, Sustain. Mach. Intell. J., vol. 9, pp. 34–56, Oct. 2024, doi: 10.61356/SMIJ.2024.9382.