Purnomo, P.; Aripriharta, A.; Handayani, A. N.; Hasanah, R. N.; Rosmin, N.; Horng, G.-J. Realtime IoT Based Harmonics Monitoring System Review With Potential Low-Cost Devices With Experimental Case Study. J. Ilm. Tek. Elektro Komput. Dan Inform 2021, 7, 259-268.