Mahathir, Nur Qistina Eiman, and Mohd Aifaa Mohd Ariff. 2021. “High Impedance Fault Detection Algorithm Using Frequency-Based Principal Component Analysis”. Evolution in Electrical and Electronic Engineering 2 (2): 540-46. https://publisher.uthm.edu.my/periodicals/index.php/eeee/article/view/4602.