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 Dewi, P., Setiyo, Y., & Aviantara, I. 2017 Sep 11. Kajian Proses Pengomposan Berbahan Baku Limbah Kotoran Sapi dan Kotoran Ayam. Jurnal BETA (Biosistem dan Teknik Pertanian). [Online] 5:2