AL-Safi , M. G. S., & Hummady, L. Z. (2021). Approximate Solution for advection dispersion equation of time Fractional order by using the Chebyshev wavelets-Galerkin Method. Iraqi Journal of Science, 58(3B), 1493-1502. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5828