Sungkono, S., Wasilah, M. N., Widyaningrum, Y., Hidayatullah, W. M., Fathoni, F. A. and Husein, A. (2020) “Self-Potential Method to Assess Embankment Stability: A Study related to the Sidoarjo Mud Flow”, Journal of Engineering and Technological Sciences, 52(5), pp. 707-731. doi: 10.5614/j.eng.technol.sci.2020.52.5.8.