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 Suyanto, Hery. " KARAKTERISTIK DAN FENOMENA PERUBAHAN KONSENTRASI OKSIGEN DAN NITROGEN DI UDARA DENGAN PROSES LASER-INDUCED BREAKDOWN SPECTROSCOPY (LIBS)" BULETIN FISIKA [Online], Volume 14 Number 1 (1 February 2013)