Düzgün Akmaz and  Hüseyin Erişti,  Design of Active Power Filters for Harmonics on Power System and Reducing Harmonic Currents.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 91(7). 1114 - 1120
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9998882.