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 Gracia, Benanda, Sri Seprianto Maddusa, & Nancy S. H. Malonda. " Factors associated with the use of personal protective equipment (PPE) among firefighters in the Manado Fire Department." E-Jurnal Medika Udayana [Online], 14.5 (2025): 52-57. Web. 30 Aug. 2026