Using Pollution Load Index (PLI) and Geoaccumulation Index (I-Geo) for the Assessment of Heavy Metals Pollution in Tigris River Sediment in Baghdad Region. ANJS [Internet]. 2011 Dec. 1 [cited 2024 May 16];14(4):108-14. Available from: https://anjs.edu.iq/index.php/anjs/article/view/772