Rhahmi Adni Pesma and Saffath, M. R. (2025) “Identification of Subsurface Lithology in Determining Hard Layers Using the Geoelectric Method in Rejomulyo Village, South Lampung”, Jurnal Rekayasa Geofisika Indonesia, 7(02), pp. 84–95. doi: 10.56099/jrgi.v7i02.171.