A. Khalil, A., A. AL-Daood, A., & A. A. Khattab, S. (2010). Range of Contaminant Transport in Soil Under Saturated/ Unsaturated Conditions With Case Study. Al-Rafidain Engineering Journal (AREJ), 18(2), 50–71. https://doi.org/10.33899/rengj.2010.28274