Dheeraj Kumar, Bharat Bhushan Jain. “A Review on Control Strategies and Topologies of Multi Level Converter System”. International Journal on Future Revolution in Computer Science & Communication Engineering 6, no. 5 (August 31, 2020): 01–06. Accessed April 27, 2024. http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/1913.