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 Yulianti, N., Ana, N., & Wirawan, I. (2024). Penentuan Nilai Optimum Konsentrasi KMnO4 dan Minyak Jarak pada Kemasan Aktif Bioplastik. Jurnal BETA (Biosistem Dan Teknik Pertanian), 12(2), 241-249. doi:10.24843/JBETA.2024.v12.i02.p05