A. M. Al-fayyadh, Khalid, Firas Adel Fawzi, and Kasim Abbas Hussain. “Exponentially Fitted - Diagonally Implicit Runge-Kutta Method for Direct Solution of Fifth-Order Ordinary Differential Equations”. Journal of Al-Qadisiyah for Computer Science and Mathematics 17, no. 1 (March 30, 2025): Math 142–158. Accessed April 19, 2025. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/2034.