Naim, Nur Haziah, et al. “Dynamic Energy Consumption Using Current and Power Reading Detector With Appliance Indicator”. Research and Innovation in Technical and Vocational Education and Training, vol. 1, no. 2, Sept. 2021, pp. 049-56, https://penerbit.uthm.edu.my/periodicals/index.php/ritvet/article/view/2148.