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 Simanjuntak, Andreas Ronaldo, I Nyoman Gde Antara, I Nyoman Budiarsa, Gadang Priyotomo, Ahmad Royani, Arini Nikitasari, & Sundjono Sundjono. " Inhibitor Alami Ekstrak Kulit Buah Naga Pada Material Baja Api 5l Setelah Perlakuan Panas." Teknik Desain Mekanika [Online], 9.4 (2020): n. pag. Web. 29 Aug. 2026