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., Sutarja, I., & Nadiasa, M. (2014). MODEL BIAYA TIDAK LANGSUNG PROYEK STRUKTUR GEDUNG BETON BERTULANG. JURNAL SPEKTRAN, . doi:10.24843/SPEKTRAN.2014.v02.i02.p07