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 Jerusha, Vania, Suarnadwipa, I N, DAN Ricki Murti, Made. " Analisis Performansi pada Unfinned Tubular Heat Exchanger dengan Variasi Laju Aliran Massa Bahan Bakar" Teknik Desain Mekanika [Online], Volume 7 Nomor 3 (1 July 2018)