Cherchali, N. , Tlem├žani, A. , Boucherit, M. , Morsli, A. (2019), 'Elimination of Low Order Harmonics in Multilevel Inverter Using Nature-Inspired Metaheuristic Algorithm', World Academy of Science, Engineering and Technology, Open Science Index 153, International Journal of Energy and Power Engineering, 13(9), 638 - 644.