WASET
    Saleem Z. Ramadan,  Estimating the Life-Distribution Parameters of Weibull-Life PV Systems Utilizing Non-Parametric Analysis.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2015, vol. 102(6). 964 - 968
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10001523.