Priyanka Chaudhary and  M. Rizwan ,  A Grid Synchronization Method Based on Adaptive Notch Filter for SPV System with Modified MPPT .   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 103(7). 720 - 725
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/10002512.