As’ari, A., Tongkukut, S. H. J., & Nugraha, M. K. (2026). A Hydrogeophysical Characterization of Volcanic Aquifers Using Integrated Resistivity and Induced Polarization in Mount Tumpa, Manado. Jurnal Ilmiah Sains, 26(1), 62–75. https://doi.org/10.35799/jis.v26i1.65145