Mahmoud, Suliman, Mohamad Ali, and Bashar Gdeed. “Numerical Solutions of Systems of Neutral Delay Differential- Algebraic Equations”. Latakia University Journal -Basic Sciences Series 41, no. 3 (July 2, 2019). Accessed July 22, 2025. https://journal.latakia-univ.edu.sy/index.php/bassnc/article/view/8820.