ANALISA PERBANDINGAN PEMAKAIAN BAHAN BAKAR SOLAR FUEL OIL (SFO) DAN LIQUEFIED NATURAL GAS (LNG) TERHADAP KINERJA BOILER DI UNIT COLD ROLLING MILL (CRM) DI PT X Journal title: Teknika: Jurnal Sains Teknologi Authors: Yusvardi Yusuf Subject(s): Engineering