Pratama, H.B. and Saptadji, N.M. 2021. Study of Production-Injection Strategies for Sustainable Production in Geothermal Reservoir Two-Phase by Numerical Simulation. Indonesian Journal on Geoscience. 8, 1 (Jan. 2021), 25–38. DOI:https://doi.org/10.17014/ijog.8.1.25-38.