Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Maharta Pemayun, A., Budiastra, I., & Rinas, I. (2020). ANALISIS EFESIENSI TRAFO DAYA TERHADAP PENGOPERASIAN BEBERAPA JENIS HARMONIC FILTER. Jurnal SPEKTRUM, 7(4), 76-80. doi:10.24843/SPEKTRUM.2020.v07.i04.p10