A. Taha, B. and J. Kadhim, A. 2018. Non-polynomial spline finite difference method for solving second order boundary value problem. Journal of Al-Qadisiyah for Computer Science and Mathematics. 10, 2 (May 2018), Math Page 92 – 101. DOI:https://doi.org/10.29304/jqcm.2018.10.2.384.