Yatim, M.H. et al. 2018. Analysis of Symmetric and Asymmetric Multilevel Inverter Topologies Using Reduced Number of Switching Devices Circuit Structure. International Journal of Engineering & Technology. 7, 4.30 (Nov. 2018), 234–239. DOI:https://doi.org/10.14419/ijet.v7i4.30.22127.