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 Arinda, Sri, AND Modjo, Robiana. " Evaluasi Pencegahan dan Penanggulangan COVID-19 Pada Industri Petrokimia di Sumatera Selatan" E-Jurnal Medika Udayana [Online], Volume 11 Number 5 (17 May 2022)