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 Suartika Putra, I., Dharmayanti, G., & Parami Dewi, A. 2018 Aug 2. PENANGANAN WASTE MATERIAL PADA PROYEK KONSTRUKSI GEDUNG BERTINGKAT. JURNAL SPEKTRAN. [Online] 6:2