فهرس المقالات حمیدرضا خدابنده لو المقاله 1 - A Second-Order Accurate Numerical Approximation for Two-Sided Fractional Boundary Value Advection-Diffusion Problem Elyas Shivanian Hamid Reza Khodabandehlo Theory of Approximation and Applications , العدد 1 , السنة 13 , زمستان 2019 المقاله 2 - The new Implicit Finite Difference Method for the Solution of Time Fractional Advection-Dispersion Equation Hamid Reza Khodabandehloo Elyas Shivanian Sh. Mostafaee Theory of Approximation and Applications , العدد 1 , السنة 12 , زمستان 2018