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 Sari, Ida, Nita, Wolfharditia, Rupiasih, Ni, AND Sumadiyasa, Made. "The The Effect of UVC Irradiation on the Structure and Swelling Properties of Chitosan Membranes Exposed to Magnetic Fields" BULETIN FISIKA [Online], Volume 20 Number 2 (3 December 2019)