Khalaf, A. J. and Taha, B. A. (2021) “Numerical Study of the System of Nonlinear Volterra Integral Equations by Using Spline Method”, Journal of Al-Qadisiyah for Computer Science and Mathematics, 13(3), pp. Math Page 34– 43. doi: 10.29304/jqcm.2021.13.3.836.