Manal H. Saleh,  Laminar Free Convection of Nanofluid Flow in Horizontal Porous Annulus.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 1306 - 1312
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/4663.