WASET
    Zhaojun Wang and  Zongdi Sun and  Qinqin Cui and  Xingwan Ren,  Comparison of Power Generation Status of Photovoltaic Systems under Different Weather Conditions.   journal   = {International Journal of Energy and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2019, vol. 147(3). 141 - 148
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10010134.