Halboot Mohussen, Deia, Haider Tarish Haider, and Wisam Haitham Abbood. 2010. “Analog and Digital Speed Control of DC-Drive by Using Different Control Schemes”. Journal of Engineering and Sustainable Development 14 (1): 87-102. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1418.