Interpreting the aquifer in the Limbungan Village, Rumbai Pesisir District, Pekanbaru City using the Schlumberger geoelectric method Yunita Megawati Batubara ; Erman Taer ; Juandi Muhammad ; Rahmi Dewi ; Zulfa Zulfa Komunikasi Fisika Indonesia 8 Sep 2026 10.31258/jkfi.23.1.67-74