I. Awad AlAli, W., & Zaki Sabry, R. (2022). Improving Grounding System for Oil Tanks Using Finite Element Method, Taking into Account the Frequency Dependence of Soil Parameters. Al-Rafidain Engineering Journal (AREJ), 27(2), 92–100. https://doi.org/10.33899/rengj.2022.133281.1165