Al-Humedi, H. O., & jameel, Z. A. (2020). Combining Cubic B-Spline Galerkin Method with Quadratic Weight Function for Solving Partial Integro-Differential Equations. Journal of Al-Qadisiyah for Computer Science and Mathematics, 12(1), Math Page 9 – 20. https://doi.org/10.29304/jqcm.2020.12.1.660