Amin, Abdulla Karim. “Evaluation of Aquifer Porosity And Hydraulic Conductivity From Empirical Equations Using Geoelectrical Sounding Measurements In Piramagroon Area NE-Iraq”. Journal of University of Raparin, vol. 7, no. 4, Dec. 2020, pp. 307-21, doi:10.26750/Vol(7).No(4).Paper16.