“A Stable and Convergent Implicit Finite Difference Scheme for Variable-Order Time-Fractional Convection–Diffusion Equations” (2025) International Journal of Open Problems in Computer Science and Mathematics, 19(1), pp. 73–94. Available at: https://ijopcm.zuj.edu.jo/index.php/journal/article/view/54 (Accessed: 22 September 2026).