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 Nudja S, I Ketut, I N. Sutarja, & Mayun Nadiasa. " MODEL BIAYA TIDAK LANGSUNG PROYEK STRUKTUR GEDUNG BETON BERTULANG." JURNAL SPEKTRAN [Online], (2014): n. pag. Web. 6 Sep. 2026