Al-Mayahi, H.M. and Al-Abadi, A.M. 2019. Geospatial analysis of groundwater contamination by heavy oil in the Dammam aquifer-Middle of Iraq. Mesopotamian Journal of Marine Sciences. 34, 2 (Dec. 2019), 142–153. DOI:https://doi.org/10.58629/mjms.v34i2.34.