Aliyah Shahab and Achmad Faisal F 2023. EVALUATION OF FURNACE-02 EFFICIENCY USING THE HEAT LOSS METHOD IN REFINERY UNITS AT PUSAT PENGEMBANGAN SUMBER DAYA MANUSIA MINYAK DAN GAS BUMI CEPU - JAVA. Jurnal Cakrawala Ilmiah. 2, 6 (Jan. 2023), 2283–2290. DOI:https://doi.org/10.53625/jcijurnalcakrawalailmiah.v2i6.4895.