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 Ula, Wayan Ainun. " Analisis Perpindahan Panas Pada Pipa Kalor Bertingkat" Jurnal Mettek: Jurnal Ilmiah Nasional dalam Bidang Ilmu Teknik Mesin [Online], Volume 5 Number 2 (8 January 2020)