Hassan Mohammed, A., & Aziz fadhil, R. (2017). Numerical Method for Evaluation of Double Integrals its Integrands have Singular Derivatives and Singular by Using Simpson’s Rule when Number of Subintervals at the Two Dimensions Unequal. Journal of Al-Qadisiyah for Computer Science and Mathematics, 7(2), 1–16. Retrieved from https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/75