A Stable and Convergent Implicit Finite Difference Scheme for Variable-Order Time-Fractional Convection–Diffusion Equations. International Journal of Open Problems in Computer Science and Mathematics, [S. l.], v. 19, n. 1, p. 73–94, 2025. Disponível em: https://ijopcm.zuj.edu.jo/index.php/journal/article/view/54. Acesso em: 22 sep. 2026.