Mahmoud, Suliman, Mohamad Ali, and Bashar Gdeed. “Numerical Treatment of Delay-Differential Equations by Using Spline Hermite Approximations”. Tishreen University Journal -Basic Sciences Series 39, no. 5 (September 30, 2018). Accessed May 3, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/4005.