Sinaga, H H, H B H Sitorus, D Permata, and N Soedjarwanto. “Fractal Hilbert Sensor to Detect Partial Discharge on Transformer”. Journal of Engineering and Scientific Research 1, no. 2 (December 17, 2020): 94–100. Accessed July 7, 2022. https://jesr.eng.unila.ac.id/index.php/ojs/article/view/31.