Aji Nugroho, Aditio Primayudi. 2015. “ANALISA KEHILANGAN ENERGI PADA FIRE TUBE BOILER KAPASITAS 10 TON”. Jurnal Teknik Mesin (Journal Of Mechanical Engineering) 4 (2). Jakarta, Indonesia:38-43. https://doi.org/10.22441/jtm.v4i2.1006.