D. M. Qohar, V. T. Yoelinda, R. Pratama, and E. F. A. Tampubolon, “Identification of Groundwater Aquifer Existence Using Vertical Electrical Sounding (VES) Geoelectric Method in Kelurahan Jetis”, Jurnal Parikesit, vol. 2, no. 2, pp. 244-252, Nov. 2024.