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 Al zamzami, I., Sari, A., & Perwira, I. 2019 Feb 22. Fluktuasi Bahan Organik dan Residu Terlarut dalam Budidaya Ikan Koi di Tulungagung, Jawa Timur. Current Trends in Aquatic Science. [Online] 2:1