WASET
    A.Memari,  Application of Homotopy Perturbation Method to Solve Steady Flow of Walter B Fluid A Vertical Channel In Porous Media.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2011, vol. 54(6). 828 - 830
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/12533.