Tariq , Muhammad, Muhammad Suleman, Sher khan Awan, Prem Kuma, and Asif Ali Shaikh , trans. “Delay Differential-Algebraic Equations (DDAEs)”. Babylonian Journal of Mathematics 2023 (August 25, 2023): 40–44. Accessed March 12, 2025. https://mesopotamian.press/journals/index.php/BJM/article/view/268.