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 Situmorang, Daniel Mual Aprio, Winaya, I Nyoman Suprapta, DAN Wijaksana, Hendra. " Studi Pengaruh Variasi Bed Material Pasir Besi Terhadap Efisiensi Pembakaran Fluidized Bed Limbah Medis" Teknik Desain Mekanika [Online], Volume 10 Nomor 3 (1 July 2022)