Al-Rubaeꞌi, S. H. N. ., Al-Kazazz, F. F. ., Jawad, A. M., Sholi, M. H., Mouhson, L. M., Mohammad, A. A. and Sied, A. H. (2021) “Characterization for Types and Percents of Polycyclic Aromatic Hydrocarbons in Sera of Workers at Fuels Stations at Baghdad”, Journal of Petroleum Research and Studies, 11(1), pp. 124-136. doi: 10.52716/jprs.v11i1.433.