Rabee, A. M.; Al-Fatlawy, Y. F.; Abd own, A.-A.-H. N.; Nameer, M. Using Pollution Load Index (PLI) and Geoaccumulation Index (I-Geo) for the Assessment of Heavy Metals Pollution in Tigris River Sediment in Baghdad Region. Al-Nahrain J. Sci. 2011, 14 (4), 108-114.