Hessa Sallal Rabeea. “Numerical Solution of Laplace and Poisson Equations Using Finite Difference Grid Methods”. Journal of Al-Qadisiyah for Computer Science and Mathematics 18, no. 1 (March 30, 2026): Math 78–87. Accessed March 30, 2026. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/2362.