Shuvo, S, Hossain, E, Islam, T, Akib, A, Padmanaban, S & Khan, M Z R 2019, ' Design and Hardware Implementation Considerations of Modified Multilevel Cascaded H-Bridge Inverter for Photovoltaic System ', IEEE Access, vol. 7, 8625414, pp. 16504-16524 . https://doi.org/10.1109/ACCESS.2019.2894757 IEEE Access, Vol 7, Pp 16504-16524 (2019)