Kristina, and Maryati Evivani Doloksaribu. 2024. “IDENTIFICATION OF SUBSURFACE SOIL LAYERS USING GEOELECTRIC METHOD IN ENVIRONMENT 2 OF RIANIATE VILLAGE TAPANULI SELATAN REGENCY”. EINSTEIN (e-Journal) 12 (3):66-70. https://doi.org/10.24114/ein.v12i3.48965.