Shaltagh Yousif, M., Mohamed Shukur, A., Hassan Ouda, E., & Kadhim Salih, R. (2018). Generalizing of Finite Difference Method for Certain Fractional Order Parabolic PDE’s. Journal of Al-Qadisiyah for Computer Science and Mathematics, 10(3), Math Page 41 – 53. https://doi.org/10.29304/jqcm.2018.10.3.404