F. S. Fadhel and B. I. Asker, “Approximate Solutions of the Generalized Two-Dimensional Fractional Partial Integro-Differential Equations”, Al-Nahrain J. Sci., vol. 22, no. 2, pp. 59–67, Jul. 2019, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/2132