Al-Hassen, S. I. ., Al-Saad, H. T. . and Al-Rubaiay, D. J. . (2013) “An Analytical Study on Petroleum Hydrocarbons Contamination in the Urban Environment of Basra City, Southern Iraq”, Journal of Petroleum Research and Studies, 4(2), pp. 12-29. doi: 10.52716/jprs.v4i2.97.