Sabawi, Younis, Surme R. Saber, and Mohammad Shami Hasso. “Numerical Solution of the Fredholm Integro-Differential Equations Using High-Order Compact Finite Difference Method”. Journal of Education and Science 32, no. 3 (September 1, 2023): 9–22. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/edusj/article/view/49282.