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, [S. l.], n. 70, p. 70–76, 2020. DOI: 10.54939/1859-1043.j.mst.70.2020.70-76. Disponível em: https://jmst.mod.gov.vn/index.php/jmst/article/view/112. Acesso em: 12 mar. 2026.