Orfi Yegane, M. S., Ghaffarzadeh, N., Sarvi, Mohammad. “Two New Switching Methods to Speed Control of Induction Motor with Eleven Levels Inverter.” Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran, vol. 16, no. 1, 2018, pp. 12-20.