O. ., D. A. Ramadhan P, F. R. W, and R. T. A, “Identification of Geothermal Potential Based on Fault Fracture Density (FFD), Geological Mapping and Geochemical Analysis, Case Study : Bantarkawung, Brebes, Central Java”, KEn, vol. 2, no. 2, pp. 141-151, Dec. 2015.