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 Adi Guna Subawa, I., Prapto Sudarmojo, Y., & Arta Wijaya, I. 2020 Mar 6. RANCANG BANGUN PELUNCUR ELEKTROMAGNETIK DENGAN SUPLAI KAPASITOR. Jurnal SPEKTRUM. [Online] 7:1