Hasan, Muh. Waqiatul. 2022. “Structural Analysis of Subsurface Rock Layers Using Geoelectrical Resistivity Methods Schlumberger Configuration And Dipole Dipole In Ngalan Village”. Jurnal Sains Fisika:SAINFIS 2 (2):1-7. https://doi.org/10.24252/sainfis.v2i2.29238.