WASET
    A. Mahdy and  Sameh E. Ahmed,  Unsteady Natural Convection Heat and Mass Transfer of Non-Newtonian Casson Fluid along a Vertical Wavy Surface .   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 126(6). 1284 - 1291
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10007870.