Abdulrahman Abdulrahman,  Numerical Solution of Manning's Equation in Rectangular Channels.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2017, vol. 126(6). 740 - 743
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10007232.