Ghazi Salim , Aula, and Amer Mejbel Ali. “Investigation of the Factors Affecting the Cogging Torque of a Permanent Magnet Brushed DC Motor”. Al-Iraqia Journal for Scientific Engineering Research 3, no. 3 (September 1, 2024): 148–162. Accessed April 30, 2026. https://ijser.aliraqia.edu.iq/index.php/ijser/article/view/231.