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 Ramadhan, Fajar, AND E. Gunawan, Fergyanto. " Optimasi Energi pada Boiler Atmospheric Fluidized Bed Combustion pada Industri Viscose Rayon" Jurnal Mettek: Jurnal Ilmiah Nasional dalam Bidang Ilmu Teknik Mesin [Online], Volume 9 Number 1 (6 May 2023)