WASET
    N. Ould Cherchali and  A. Tlemçani and  M. S. Boucherit and  A. Morsli,  Elimination of Low Order Harmonics in Multilevel Inverter Using Nature-Inspired Metaheuristic Algorithm.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2019, vol. 153(9). 638 - 644
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10010750.