Zulhan, Z. (2012). MODEL OFF-LINE UNTUK SIMULASI PROSES PEMURNIAN BAJA DI VACUUM TANK DEGASSER (VTD) [Off-Line Model for Refining Steel Process Simulation in Vacuum Tank Degasser (VTD). Jurnal Metalurgi, 27(2), 105–116. https://doi.org/10.14203/metalurgi.v27i2.145