Salem, Z. A., A. H. Mohammed, and H. T. Al-Saad. “Origin and Sources of Polycyclic Aromatic Hydrocarbons (PAHs) in Sediments Core from Tigris, Euphrates and Shatt Al-Arab Rivers”. Technology Audit and Production Reserves, vol. 5, no. 3(67), Oct. 2022, pp. 20-28, doi:10.15587/2706-5448.2022.266459.