William Anderson and  Kyle Kobold and  Oleg Yakimenko,  Tools for Analysis and Optimization of Standalone Green Microgrids.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2018, vol. 138(6). 402 - 409
    [viewed 28 January 2022]. Available from: https://publications.waset.org/pdf/10009141.