A Stable and Convergent Implicit Finite Difference Scheme for Variable-Order Time-Fractional Convection–Diffusion Equations (I. H. . Jebril & I. . Batiha, Trans.). (2025). International Journal of Open Problems in Computer Science and Mathematics, 19(1), 73-94. https://ijopcm.zuj.edu.jo/index.php/IJOPCM/article/view/54