Evaluation of the Organic-Pollution Based on the Determination of some Polycyclic Aromatic Hydrocarbons(PAHs) in Tigris River Water in 2012 at Baghdad City , Iraq. Baghdad Sci.J [Internet]. 2025 Mar. 4 [cited 2025 Jun. 18];11(2):399-406. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2644