Naamin, ...., Sahara, ...., Nugraha, ...., & Ramadhan, .... (2018). Application of Double Difference Tomography Method to Determine The 3D Seismic Wave Velocity Structure of GoLF Geothermal Field. Jurnal Geofisika, 16(1), 27-33. doi:10.36435/jgf.v16i1.62