Ermahri, R. R., Sutopo, S. and Pratama, H. B. (2025) “Characterizing the Two-Phase Geothermal System of the Ulumbu Field Through Updated Data and Numerical Reservoir Modeling to Support Capacity Expansion Planning”, ITB Graduate School Conference, 5(1), pp. 503–517. Available at: https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/504 (Accessed: 12 September 2026).