V. A. Lakshmi, S. G, and T. B. Reddy, “Power Spectral Density Estimation and THD of Motor Line Currents of AZSPWM Based DTC of Induction Motor Drive”, IJET, vol. 7, no. 4.24, pp. 42–45, Nov. 2018, doi: 10.14419/ijet.v7i4.24.21853.