S. Sathish Kumar, M. Sivachitra, R. Meenakumari, G. Gowsiha, S. Kokila, R. Santhiya. (2021). Study and Implementation of 19-Level Multilevel Inverter and its Onfigurations. Annals of the Romanian Society for Cell Biology, 1809–1815. Retrieved from http://www.annalsofrscb.ro/index.php/journal/article/view/4704