Bloshi, Zahraa Salman, and Bushra A. Taha. “Cubic B-Splines Method for Solving Singularly Perturbed Delay Partial Differential Equations”. Journal of Al-Qadisiyah for Computer Science and Mathematics 13, no. 3 (July 25, 2021): Math Page 1– 12. Accessed November 14, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/821.