Kamarulazhar Daud, Syazreena Sarohe, Wan Salha Saidon, Saodah Omar, Nurlida Ismail, and Nazirah Mohamat Kasim, “Determination of RMS based Continuous S-Transform with Deep Learning for Detecting and Classifying Voltage Sag and Swell”, TIER-V5, pp. 86–98, Jun. 2022.