Mamo, M. . “RESONANT INVERTER SUPPLIED INTERIOR PERMANENT MAGNET (IPM) MOTOR ROTOR POSITION INFORMATION EXTRACTION FROM THE RESONANT COMPONENT CURRENT”. Zede Journal of Ethiopian Engineers and Architects, vol. 32, Feb. 2023, pp. 27-33, http://ejol.aau.edu.et/index.php/ZEDE/article/view/6476.