Wibowo, Pandhu Setyo, and Jooned Hendrarsakti. “Techno-Economic Analysis of Exhaust Steam Utilization – Ulumbu Geothermal Power Plant Using Organic Rankine Cycle (ORC) With Pentane As Working Fluid”. ITB Graduate School Conference 5, no. 1 (October 29, 2025): 472–488. Accessed April 27, 2026. https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/677.