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 Ayu Candra, AND Purnawati, Susy. " PREVALENSI SHIFT WORK SLEEP DISORDER PADA PEKERJA SHIFT MALAM DI BEBERAPA WARALABA DI DENPASAR SELATAN" E-Jurnal Medika Udayana [Online], Volume 6 Number 7 (20 July 2017)