MISS.PANCHAL PRATIKSHA VISHWANATHRAO, and MR.NAVEEN KUMAR MUCHA. “AN OVERVIEW OF IMPROVING POWER QUALITY IN CASCADE MULTILEVEL CONVERTERS BASED ON SINGLE-PHASE NON-REGENERATIVE POWER CELLS”. International Journal of Innovations in Engineering Research and Technology, Mar. 2021, pp. 1-6, https://repo.ijiert.org/index.php/ijiert/article/view/1282.