TOPOGRAPHIC MAPPING OF SLOPES IN LANDSLIDE PRONE AREAS USING THE SCHLUMBERGER CONFIGURATION GEOELECTRICS TECHNIQUE . einstein e-j. [Internet]. 2025 Feb. 25 [cited 2026 Mar. 26];13(1):1-5. Available from: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/65332