Nasir, A. W., I. Kasireddy, and A. K. Singh. “Real Time Speed Control of a DC Motor Based on Its Integer and Non-Integer Models Using PWM Signal”. Engineering, Technology & Applied Science Research 7, no. 5 (October 19, 2017): 1974–1979. Accessed April 6, 2025. https://mail.etasr.com/index.php/ETASR/article/view/1292.