Joko W, Yohanes Tri, and Hendra Gunawan. 2014. “MINIMASI MATERIAL PASIR YANG TERSEDOT PADA PROSES PENGECORAN DI MESIN INDONESIAN DUST COLLECTOR (IDC) 005 DI PT. XYZ”. Technologic 5 (2). https://technologic.polytechnic.astra.ac.id/index.php/firstjournal/article/view/151.