Saputra, A.N., Puspawan, A. dan Supardi, N.I. 2022. Lube Oil Cooler Performance Analysis Before and After Maintenance Outage at PLTGU. Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin. 5, 2 (Feb 2022), 19–27. DOI:https://doi.org/10.33369/rekayasamekanika.v5i2.20170.