Cholifah, L., Mufidah, N., Lazuardi, E., Santosa, B.J., Sungkono, S. and Haryono, A. 2020. Identification of the Grindulu Fault in Pacitan, East Java using Magnetic Method. Jurnal Penelitian Fisika dan Aplikasinya (JPFA). 10, 1 (Jul. 2020), 22–33. DOI:https://doi.org/10.26740/jpfa.v10n1.p22-33.