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, Ni Luh, Ana, Ni Kadek Tia Putri, AND Wirawan, I Putu Surya. " Penentuan Nilai Optimum Konsentrasi KMnO4 dan Minyak Jarak pada Kemasan Aktif Bioplastik" Jurnal BETA (Biosistem dan Teknik Pertanian) [Online], Volume 12 Number 2 (25 March 2024)