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 Dina, A., Kartika, I., & Perwira, I. (2020). Tingkat Reduksi Kromium Heksavalen (Cr6+) pada Air dengan Menggunakan Kombinasi Kultur Chlorella sp. dan Spirulina sp.. Current Trends In Aquatic Science, 3(1), 23-29. Retrieved from https://ojs.unud.ac.id/index.php/ctas/article/view/51442