WASET
    Sarah Abdourraziq and  Rachid El Bachtiri,  Optimum Design of Photovoltaic Water Pumping System Application.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2016, vol. 114(6). 767 - 773
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10004723.