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 Safitri, L., Tjahaja, P., & Suryatika, I. (2015). PENYERAPAN COBALT-60 DARI AIR OLEH TANAMAN KIAPU (Pistia stratiotes L.). BULETIN FISIKA, 16(2), 1-6. Retrieved from https://ojs.unud.ac.id/index.php/buletinfisika/article/view/30586