Bloshi, Z. S., & Taha, B. A. (2021). Cubic B-splines Method for Solving Singularly Perturbed Delay Partial Differential Equations. Journal of Al-Qadisiyah for Computer Science and Mathematics, 13(3), Math Page 1– 12. https://doi.org/10.29304/jqcm.2021.13.3.821