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 Nurlisa, Siti, Mulkan Iskandar Nasution, & Nazaruddin Nasution. " Prototype of Automatic Waste Filter with Load Sensor Cell on Drainage Waters." BULETIN FISIKA [Online], 25.1 (2024): 135 – 141. Web. 29 Aug. 2026