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 Situmorang, Rosurya, Wirawan, I Putu Surya, AND Wijaya, I Made Anom Sutrisna. " Perbandingan Produksi Biogas Biodigester Batch dan Kontinu pada Instalasi Biogas Kotoran Ternak" Jurnal BETA (Biosistem dan Teknik Pertanian) [Online], Volume 12 Number 2 (15 August 2023)