Tuấn. “ANALYSIS OF THE EFFECT OF SLOT-OPENNING WIDTH AND MAGNET LENGTH ON THE COGGING TORQUE IN THE EXTERNAL ROTOR BLDC MOTOR USING IN MILITARY APPLICATION”. Journal of Military Science and Technology, no. 70 (December 14, 2020): 70–76. Accessed May 4, 2024. https://en.jmst.info/index.php/jmst/article/view/112.