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 G.R.A.L.,, P., Widiyarta, I., & Putra Negara, D. 2021 Jul 1. Perancangann Alat Pembuat Pellet Karbon Aktif dengan Kapasitas Gaya 2 Ton. Teknik Desain Mekanika. [Online] 10:3