Mohamed Ali,  Mixed Convection Boundary Layer Flows Induced by a Permeable Continuous Surface Stretched with Prescribed Skin Friction.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 1001 - 1005
    [viewed 16 December 2019]. Available from: https://publications.waset.org/pdf/9899.