Department of Mathematics and Computer Science;
Faculty of Science;
Suez Canal University;
Ismailia;
Egypt;
Advection-Dispersion; Processes; Grünwald-Letnikov; Scheme; Explicit; Difference; Schemes; Caputo; Time-Fractional; Derivative; Inverse; Riesz; Potential; Random; Walk; with; and; without; a; Memory; Convergence; in; Distributions; Fourier-Laplace; Domain;