Shaltagh Yousif, M. et al. 2018. Generalizing of Finite Difference Method for Certain Fractional Order Parabolic PDE’s. Journal of Al-Qadisiyah for Computer Science and Mathematics. 10, 3 (Aug. 2018), Math Page 41 – 53. DOI:https://doi.org/10.29304/jqcm.2018.10.3.404.