H. Golchoobian and  S. Saedodin and  M. H. Taheri and  A. Sarafraz,  Numerical Study of Natural Convection in a Triangular Enclosure as an Attic for Different Geometries and Boundary Conditions.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2020, vol. 159(3). 63 - 69
    [viewed 26 September 2020]. Available from: https://publications.waset.org/pdf/10011107.