M. Alsaad, “Water Quality I ndex of 11 Streams Pouring into Um-Alnaaj Marsh”, NUCEJ, vol. 17, no. 1, pp. 67–82, Jan. 2014, Accessed: Apr. 12, 2025. [Online]. Available: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/210