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 Kurniawan, H., Sukmawaty, S., Murad, M., Ansar, A., Sabani, R., & Yuniarto, K. 2020 Sep 5. Efek Daya Lampu Sinar UV C dan Lama Penyinaran Terhadap Perubahan pH dan Total Padatan Terlarut Nira Aren Selama Penyimpanan. Jurnal BETA (Biosistem dan Teknik Pertanian). [Online] 8:2