E. P. Umar, H. Wakila, R. N. Aulia, A. Pongkessu, S. Nompo, and J. Jamaluddin, “Analysis of Reservoir Temperature Estimation using Major Elements in Sulili Geothermal Field, South Sulawesi, Indonesia: Implications for Geothermal Energy Forecasts”, int. j. hydrol. environ. sustain., vol. 4, no. 1, pp. 13–22, Jan. 2026, doi: 10.58524/ijhes.v4i1.568.